P. D. Moore 
Methods in plant ecology 
 - 2nd Ed 
 - Oxford  Blackwell Scientific Publications  1986 
 - 589p 
P. D. Moore & S. B. Chapman: Methods in plant ecology.  (2nd Ed)  Oxford.  Blackwell Scientific Publications, 1986. 0-632-00989-6--(581.5MOO)   
ENGLISH 
0-632-00989-6 
581.5  / MOO