000 00266nam a2200109Ia 4500
100 _aRao, Digumarti Bhaskara (ed)
020 _a81-7141-435-4
942 _cBK
245 _aEarth summit
260 _aDiscovery Publishing House, New Delhi
_c1998
082 _a341.762 Rao
999 _c26489
_d26489