TY  - BOOK
AU  - Schefler,William C.
TI  - Biology: principles and issues 
SN  - 0201067641 (cased.)
PY  - 1976///
CY  - Reading, Mass
PB  - Addison-Wesley Pub. Co
KW  - Biology
N1  - Includes index; Includes bibliographical references
ER  -