TY  - BOOK
AU  - Laurence  H. Snyder
AU  -  Paul  R. David, 
TI  - Principles of Heredity Ed- 5
U1  - 575.1 
PY  - 1957///
CY  - Boston
PB  - D.C. Heathand Company
N1  - Laurence  H. Snyder & Paul  R. David: Principles of Heredity Ed- 5.  (5th)  Boston.  D.C. Heathand Company, 1957.--(575.1SNY)
ER  -