000 00298nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a628
100 _aShibu Krishnan
245 0 _aIntroduction To Sustainable Engineering 3rd Ed
250 _a3
260 _bPkc Books Kollam
_c2017
942 _cBK
999 _c34312
_d34312