TY - BOOK AU - Langbein,Walter B. AU - Leopold,Luna B. ED - United States TI - River channel bars and dunes: theory of kinematic waves U1 - 551.48 PY - 1968///. CY - Washington: PB - United States Government Printing Office, KW - River channels KW - Two-phase flow KW - Sand dunes KW - Waves N1 - Includes bibliographical references (p. L19-L20) ER -