J. Michael Norris: National Streamflow Information Program: Implementation Status Report. In: Fact Sheet. 2009, ISSN2327-6932, doi:10.3133/fs20093020.
S. N. Domenico: Acoustic wave propagation in air‐bubble curtains in water—Part I: History and theory. In: GEOPHYSICS. Band47, Nr.3, März 1982, ISSN0016-8033, S.345–353, doi:10.1190/1.1441340.
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J. Michael Norris: National Streamflow Information Program: Implementation Status Report. In: Fact Sheet. 2009, ISSN2327-6932, doi:10.3133/fs20093020.
S. N. Domenico: Acoustic wave propagation in air‐bubble curtains in water—Part I: History and theory. In: GEOPHYSICS. Band47, Nr.3, März 1982, ISSN0016-8033, S.345–353, doi:10.1190/1.1441340.