TY  - BOOK
AU  - Laurence H. Snyder
AU  -  Paul  R. David, 
TI  - Principles of heredity
U1  - 575.11 
PY  - 1957///
CY  - Boston
PB  - D C Heath and Co
N1  - Laurence H. Snyder & Paul  R. David: Principles of heredity.  Boston.  D C Heath and Co, 1957.--(575.11SNY)
ER  -