000 00379nam a2200145Ia 4500
008 211013s9999 xx 000 0 und d
082 _a333.707
_bRED
100 _aBy Reddy, Maruthesha
_93050
245 0 _aTextbook of environmental studies
250 _a1st
260 _c2016
_bMedtech
_aNew Delhi
300 _axvi; 144p.
650 _aEnvironmental studies
_93051
942 _cBK
999 _c1923
_d1923