J.A. Callow 
Biotechnology and Plant Genetic Resources : Conservation and Use 
 - Wallingford  CAB International  1997 
 - 308p 
J.A. Callow; B.V. Ford-Lloyd & H.J. Newbury: Biotechnology and Plant Genetic Resources : Conservation and Use.  Wallingford.  CAB International, 1997. 0-85199-142-4--(630.2748CAL)   
ENGLISH 
0-85199-142-4 
630.2748  / CAL