TY  - BOOK
AU  - Walker,Warren E.
ED  - Research and Development Corporation, 
TI  - A policy analysis of Dutch river dike improvements: trading off safety, cost, and environmental impacts 
T2  - The Rand paper series
PY  - 1993///
CY  - Santa Monica, California
PB  - Rand Corporation
KW  - Dikes (Engineering)
ER  -