000			00335nam a2200133Ia 4500
005			20260720174538.0
008			260720s2004 xx 000 0 und d
041			_aeng
082			_a372.8 TRIE
100			_aTrivedi, P R _9267920
245			_aEnviournmental Education
260			_aNew Delhi _bA P H Publishing _c2004
300			_a201p
999			_c241998 _d241998