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
Robinson, S P; Harris, P M; Ablitt, J; Hayman, G; Thompson, A; Isaev, A E*; Enyakov, A M*; Purcell, C*; Houqing, Z*; Yuebing, W*; Yue, Z*; Botha, P*; Krüger, D* (2006) An international key comparison of free-field hydrophone calibrations in the frequency range 1 to 500 kHz. J. Acoust. Soc. Am., 120 (3). pp. 1366-1373.