000 00499 a2200169 4500
999 _c6478
_d6478
020 _a8123736223
050 _aQH 540 RAM 2001
100 _aRamakrishnan,P.S
_eauhtor
245 _aEcology and sustainable development/
_cP.S.Ramakrishnan
250 _a1st ed.
264 _aNew Delhi:
_bNational Book Trust,
_c2001
300 _a198p.:
_bill. ( col.)
440 _aPopular Science Series
500 _aIncludes chapter-specific references
650 _aEcology
942 _2lcc
_cBK
_e1st
_h540
_iRAM
_kQH