TY  - BOOK
AU  - Clark,Ian D.
AU  - Fritz,P.
TI  - Environmental isotopes in hydrogeology 
SN  - 1566702496 
U1  - 556.3 
PY  - 1997///
CY  - New York
PB  - CRC Press/Lewis Publishers
KW  - HYDROGEOLOGY
KW  - ENVIRONMENTAL ISOTOPES
ER  -