TY  - BOOK
AU  - Hake,Jonathan C.
AU  - Baker,Jeffrey J.W.
AU  - Allen,Garland E.
TI  - Twelve problems in biology : : open-ended experiments for introductory college biology / 
T2  - Addison-Wesley series in life science
U1  - 574 
PY  - 1971///]
CY  - Reading, Massachussets : 
PB  - Addison-Wesley, 
KW  - Biologia
KW  - Experiências
ER  -