000 00272nam a2200121Ia 4500
008 250417s9999||||xx |||||||||||||| ||und||
020 _a9788126914746
082 _a363.7 TIW
100 _aS.K. Tiwari
245 0 _aEnvironmental science
260 _bAtlantic
942 _cBK
999 _c7266
_d7266