Birchenall, R. P., Richardson, M. A., Butters, B., & Walmsley, R. (2011). Modelling the infrared ManPAD Track Angle Bias missile countermeasure. Infrared Physics and Technology, 54(5). https://doi.org/10.1016/j.infrared.2011.06.004

Birchenall, R. P., Richardson, M. A., Butters, B., & Walmsley, R. (2012). Modelling an advanced ManPAD with dual band detectors and a rosette scanning seeker head. Infrared Physics and Technology, 55(1). https://doi.org/10.1016/j.infrared.2011.09.004

Butters, B. C. F. (1982). Chaff. IEE Proceedings F Communications, Radar and Signal Processing. https://doi.org/10.1049/ip-f-1.1982.0030

Butters, B., Nicholls, E., Walmsley, R., & Ayling, R. (2011). Infrared decoy and obscurant modelling and simulation for ship protection. Proceedings of SPIE – The International Society for Optical Engineering, 8187. https://doi.org/10.1117/12.898654

Butters, B., & Walmsley, R. (2008). Use of a transmissometer model for infrared smoke model validation and assessment of obscuration and detection times. Proceedings of SPIE – The International Society for Optical Engineering, 7115. https://doi.org/10.1117/12.803650

Gray, G. J., Aouf, N., Richardson, M. A., Butters, B., Walmsley, R., & Nicholls, E. (2011). Feature based tracking algorithms for imaging infrared anti-ship missiles. Proceedings of SPIE – The International Society for Optical Engineering, 8187. https://doi.org/10.1117/12.897284

Gray, G. J., Aouf, N., Richardson, M. A., Butters, B., Walmsley, R., & Nicholls, E. (2012). Feature-based recognition approaches for infrared anti-ship missile seekers. Imaging Science Journal, 60(6). https://doi.org/10.1179/1743131X12Y.0000000012

Hock, C. N., Richardson, M. A., Butters, B., Walmsley, R., Ayling, R., & Taylor, B. (2005). Escorting commercial aircraft to reduce the MANPAD threat. Proceedings of SPIE – The International Society for Optical Engineering, 5989. https://doi.org/10.1117/12.626996

Jackman, J., Richardson, M., Butters, B., & Walmsley, R. (2011). Countermeasure effectiveness against a man-portable air-defense system containing a two-color spinscan infraredseeker. Optical Engineering, 50(12). https://doi.org/10.1117/1.3657507

Jackman, J., Richardson, M., Butters, B., Walmsley, R., Millwood, N., Yuen, P., & James, D. (2009). Analysis of first generation MANPAD attacks on fast jets. Proceedings of SPIE – The International Society for Optical Engineering, 7483. https://doi.org/10.1117/12.829464

Jackman, J., Richardson, M., Butters, B., Walmsley, R., Millwood, N., Yuen, P., & James, D. (2010). Effect of pre-emptive flares on Man-Portable Air-Defence (MANPAD) systems with a track angle bias counter-countermeasure (CCM). Proceedings of SPIE – The International Society for Optical Engineering, 7836. https://doi.org/10.1117/12.866252

Jackman, J., Richardson, M., Butters, B., Walmsley, R., Yuen, P., & James, D. (2011). Simulating pre-emptive countermeasures of varying performance against a Man-Portable Air-Defence (MANPAD) system with a track angle bias counter-countermeasure (CCM). Infrared Physics and Technology, 54(2). https://doi.org/10.1016/j.infrared.2011.01.006

Jackman, J., Richardson, M., Butters, B., & Walsmley, R. (2011). Modelling a man-portable air-defence (MANPAD) system with a conical scan two-colour infrared (IR) seeker. Proceedings of SPIE – The International Society for Optical Engineering, 8187. https://doi.org/10.1117/12.897118

Jackman, J., Richardson, M., Yuen, P., James, D., Butters, B., Walmsley, R., & Millwood, N. (2010a). Effect of payload size on pre-emptive flare countermeasure against Man-Portable Air-Defence (MANPAD) system. Proceedings of SPIE – The International Society for Optical Engineering, 7836. https://doi.org/10.1117/12.866251

Jackman, J., Richardson, M., Yuen, P., James, D., Butters, B., Walmsley, R., & Millwood, N. (2010b). The Effect of Pre-emptive Flare Deployment on First Generation Man-Portable Air-Defence (MANPAD) Systems. The Journal of Defense Modeling and Simulation: Applications, Methodology, Technology, 7(3). https://doi.org/10.1177/1548512910366706

Richardson, M. A., Tranquillino-Minerva, N., Butters, B., Walmsley, R., Ayling, R., & Millwood, N. (2006). Modelling the improved protection of fast jets from the IR MANPADS threat. Proceedings of SPIE – The International Society for Optical Engineering, 6397. https://doi.org/10.1117/12.690191

Walmsley, R., & Butters, B. (2007). Infrared smoke modelling in CounterSim. Proceedings of SPIE – The International Society for Optical Engineering, 6738. https://doi.org/10.1117/12.737376

Walmsley, R., Butters, B., Ayling, R., & Richardson, M. (2005). Modelling of countermeasures for AFV protection against IR SACLOS systems. Proceedings of SPIE – The International Society for Optical Engineering, 5989. https://doi.org/10.1117/12.629443

Walmsley, R. H., Friede, J., Millwood, N., & Butters, B. (2009). MANPADS protection for civil aircraft using an expendable decoy. Proceedings of SPIE – The International Society for Optical Engineering, 7483. https://doi.org/10.1117/12.830069