TY  - BOOK
AU  - Winchester,A.M.
TI  - Modern biological principles
AV  - QH308.2 .W53 1971
U1  - 574 
PY  - 1971///]
CY  - New York
PB  - Van Nostrand Reinhold Co.
KW  - Biology
N1  - Includes bibliographical references
UR  - http://www.archive.org/details/modernbiological00winc
UR  - http://www.openlibrary.org/books/OL4579081M
ER  -