John M Walker 
Techniques in molecular biology 
 - New York  Macmillan Publishing Co,  1987 
 - 2 Vols 
John M Walker & Wim Gaastra: Techniques in molecular biology.  New York.  Macmillan Publishing Co,, 1987. 0-02-948791-9--(574.88WAL)   
ENGLISH 
0-02-948791-9 
574.88  / WAL