TY  - BOOK
AU  - K.R. Lewis
AU  -  B. John, 
TI  - Chromosome marker
U1  - 574.8732 
PY  - 1963///
CY  - London
PB  - J and A.Churchill Ltd
N1  - K.R. Lewis & B. John: Chromosome marker.  London.  J and A.Churchill Ltd, 1963.--(574.8732LEW)
ER  -