TY  - GEN
AU  - Ward, R. C.
AU  - Robinson M. (Mark)
TI  - Principles of hydrology
SN  - 0077072049
AV  - GB661.2 .W3742 1990
PY  - 1990///
CY  - London
PB  - McGraw-Hill Book
KW  - Hydrology
N1  - Includes bibliographical references and index
ER  -