TY  - BOOK
AU  - Allen,John R.L.
TI  - Current ripples: their relation to patterns of water and sediment motion
U1  - 551.303 
PY  - 1968///
CY  - Amsterdam
PB  - North-Holland Pub. Co.
KW  - Ripple-marks
N1  - Bibliography: p. [415]-422. and index
ER  -