000			00353nam a2200145Ia 4500
008			231101s9999 xx 000 0 und d
082			_a333.714 _bSHA
100			_aSharma, R. A.
245		0	_aParyavaran - shiksha
250			_a5th ed.
260			_bSurya Publication _aMeerut _c2004
300			_a524p. p.
650			_aHindi ;Environment
942			_cHI
999			_c8552 _d8552