TY  - BOOK
AU  - Gaspar, Emilian
TI  - Modern trends in tracer hydrology
SN  - 0849343216
U1  - 551.4803 
PY  - 1987///
CY  - Boca Raton
PB  - CRC Press
KW  - Hydrology
N1  - Includes appendixes ;glossary ; references & index
ER  -