TY - BOOK AU - Laenen,Antonius AU - Smith,Winchell TI - Acoustic systems for the measurement of streamflow T2 - Geological Survey water-supply paper AV - TC177 .L33 1983 U1 - 551.48/3/0287 19 PY - 1983/// CY - [Portland] PB - U.S. Dept. of the Interior, Geological Survey KW - Acoustic velocity meters KW - Stream measurements N1 - Bibliography: p. 26 ER -