TY  - BOOK
T1  - Ground water.
LA  - English
PP  - Place of publication not identified
PB  - [Publisher not identified]
YR  - 1980
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99946688290097640
NO  - Bound journal.
CN  - GB 1001 G768
KW  - Groundwater : Periodicals.
ER  -