TY  - BOOK
AU  - Goodenough, Ursula.
AU  - Levine, Robert Paul,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 30844908
SN  - 2
PY  - 1974///46
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Genetics.;Genetics
N1  - Includes bibliographies; 5
ER  -