TY  - BOOK
AU  - Welch
AU  - 
AU  - Higgins
AU  - S. J
TI  - Limnology
U1  - 574.52632 
CY  - New York
KW  - Limnology
N1  - Includes bibliography and index
N2  - Copyright renewed 1963 by Eva Grace Welch
ER  -