000
00338nam a2200157Ia 4500
008
240117s9999||||xx |||||||||||||| ||und||
082
_a
V./A
082
_b
581.5
100
_a
v.
100
_a
verma
245
2
_a
a textbook of plant ecology
260
_a
delhi
260
_b
emkay publications
260
_c
1972
650
_a
biology
999
_c
16201
_d
16201