000			00406nam a2200145Ia 4500
008			211118s9999||||xx |||||||||||||| ||und||
082			_a577.27 _bRAD-E
100			_aRadha, S
245		0	_aEnvironmental Challenges of the 21st Century
260			_bUn Known _aNew Delhi _c2000
300			_a510p.
630			_xEcologyPost Graduate Reference
650			_aLife Sciences _vBiologyChemistry
942			_cBOOK
999			_c103411 _d103411