TY  - BOOK
AU  - John M Walker
AU  -  Wim Gaastra, 
TI  - Techniques in molecular biology
SN  - 0-02-948791-9
U1  - 574.88 
PY  - 1987///
CY  - New York
PB  - Macmillan Publishing Co
N1  - John M Walker & Wim Gaastra: Techniques in molecular biology.  New York.  Macmillan Publishing Co,, 1987. 0-02-948791-9--(574.88WAL)
ER  -