TY  - BOOK
AU  -  Welch,Paul Smith
TI  -  Limnology / 
T2  -  McGraw-Hill publication in the zoological sciences
U1  -  581.92 
PY  - 1952///
CY  -  New York : 
PB  -  McGraw-Hill, 
KW  -  Limnology
N1  -  Includes bibliographical references (p. 443-510) and index
ER  -