TY  - BOOK
AU  - Kaplan,Eugene  H., x
AU  - x
TI  - Problem  solving   in  biology: A  laboratory   workbook  for fill-year.---
SN  - x
U1  - 574/KAP 
PY  - 1968///
CY  - N , Y
PB  - Macmillan
KW  - Biology
KW  - Zoology
ER  -