TY - BOOK ED - INTERNATIONAL ASSOCIATION FOR HYDROLIC RESEARCH TI - International Association for Hydraulic Research Proceedings of the Sixth General Meeting the Hague 1955 V-2 U1 - 627 PY - 1955/// CY - Hague PB - Internatioal Association for Hydraulic Resarch KW - ENVIRONMENTAL ENGINEERING KW - HYDRAULIC RESEARCH ER -