TY  - BOOK
AU  - Ward,R.C.
TI  - Principles of hydrology
SN  - 0070940479
U1  - 551.48 
PY  - 1967///]
CY  - London, New York [etc.]
PB  - McGraw-Hill Pub. Co.
KW  - Hydrology
KW  - MCE
N1  - 0; 0; 0; 551_480000000000000_WAR
ER  -