000 00427nam a22001457a 4500
008 230426b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a502.3
_bN1
100 _aPal, B P
_945
245 _aEnvironmental conservation and development
260 _aDelhi:
_bIndian Environmental Society,
_c1991
300 _aix, 100p.
650 _aScience
942 _2udc
_cBK
999 _c23769
_d23769