1. P. Wille and R. Thiele, “Transverse horizontal coherence of explosive signals in shallow water”, J. Acoust. Soc. Amer. 53, 348–333 (1971)
2. A. Wasiljeff, “Spatial horizontal coherence of acoustical signals in- shallow water”, SACLANTCEN SM-68, SACLANT ASW Research Centre, La Spezia, Italy, 1975
3. P.W. Smith, Jr., “Statistics of fluctuations in measures of sound propagated in shallow water”, Bolt Beranek and Newman Inc., Report 2498, 1973
4. R. Ancey, “Coherence spatiale de signeaux acoustiques propagés par petit fonds” in: Groupe d’étude du traitement du signal, Nice, France, 1973
5. B. Scholz, “Horizontal coherence measurements with explosive sources in shallow water”, in: SACLANTCEN Conference Proceedings CP 13, 1974, Vol. I also: FWG-Bericht 1975-2