M.J.T. Norman 
Ecology of tropical food crops 
 - London  Cambridge University  1984 
 - 355p 
M.J.T. Norman; C.J. Pearson & P.G.E. Searle: Ecology of tropical food crops.  London.  Cambridge University, 1984. 0 521 28428 7--(633NOR)   
ENGLISH 
0 521 28428 7 
633  / NOR