TY  - BOOK
AU  - Umaly, Ruben C.
AU  - Umaly, Ruben
AU  - Cuvia, Ma. Lourdes A.
TI  - Limnology: : Laboratory and field guide, physio-chemical factors, biological factors
PY  - 1988///
CY  - Manila
PB  - National Bookstore
KW  - Limnology
KW  - Laboratory manual
N1  - Includes bibliographical references (p. 317-320)
ER  -