000
00268nam a2200121Ia 4500
008
250417s9999||||xx |||||||||||||| ||und||
020
_a
9788126909995
082
_a
363.7 GUP
100
_a
K.R. Gupta
245
0
_a
Global environment
260
_b
Atlantic
942
_c
BK
999
_c
7272
_d
7272