000 00291nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a628
100 _aShibu Krishnan
245 0 _aIntroduction To Sustainable Engineering
250 _a1
260 _bPkc Books Kollam
_c2015
942 _cBK
999 _c26787
_d26787