Hayman, G; Robinson, S P; Lepper, P* (2016) Calibration and characterization of autonomous recorders used in the measurement of underwater noise. Advances in Experiemental Medicine and Biology, 875. pp. 441-445.

Robinson, S P; Lepper, P*; Hazelwood, R* (2014) Good practice guide for underwater noise measurement. Measurement Good Practice Guide. 133

Theobald, P D; Lepper, P*; Robinson, S P; Hazelwood, R A (2009) Cumulative noise exposure assessment for marine mammals using sound exposure level as a metric. In: 3rd Underwater Acoustic Measurement Conference (UAM 2009), 21-26 June 2009, Nafplion, Greece.

Theobald, P; Thompson, A D; Robinson, S P; Barham, R G; Preston, R C; Lepper, P*; Swift, C*; Tyrer, J*; Greated, C*; Campbell, M*; Schlike, T*; Yuebing, W (2004) Fundamental standards for acoustics based on optical methods - final report. NPL Report. DQL-AC 001

Theobald, P; Thompson, A D; Robinson, S P; Preston, R C; Lepper, P*; Swift, C*; Yuebing, W*; Tyrer, J* (2004) Fundamental standards for acoustics based on optical methods - phase three report for sound in water. NPL Report. CAIR 9

Theobald, P; Robinson, S P; Thompson, A D; Preston, R C; Lepper, P*; Swift, C*; Yuebing, W*; Tyrer, J*; Hargrave, S* (2003) Fundamental standards for acoustics based on optical methods - phase two report for sound in water. NPL Report. CAIR 3