TY  - BOOK
AU  - "Pfeffer, R.A."
TI  - Modern aspects of cytogenetics : Constitutive heterochromatin in Man
U1  - 576.312.31(082.2)   L3 
PY  - 0000///New York
CY  - 1973
PB  - F.K. Schattuuer Verlag
ER  -