000 00281nam a2200133Ia 4500
008 210922s9999 xx 000 0 und d
100 _aVAIDYANATHAN
245 0 _aENERGY AND ENVIRONMENT
260 _bYESDEE
260 _c2020
365 _b395
650 _aPBG
942 _cBK
999 _c236035
_d236035