000 00482nam a2200181Ia 4500
008 160910s9999 xx 000 0 und d
020 _aNULL
040 _cSGVU Library
041 _cEnglish
100 _aRamakrishnan, P.S.
_91489
245 _aEcology and Sustainable Dev.
_cBy P.S. Ramakrishnan
250 _aNULL
260 _aNULL
_bNational Book Trust India, New Delhi
_cNULL
300 _aNULL
520 _aEngineering
650 _aLiterature
_91901
942 _cBOOKS
_01
999 _c7868
_d7868