000 002920000a22001210004500
020 _a9788170356653
082 _a363.73 ARA
100 _aAravind, Kumar
245 _aEnvironmental science: Empirical studies
260 _aNew Delhi,
_bDaya publishing
_c2013
300 _a507
942 _cBK
999 _c368107
_d368107