000 00280nam a2200121Ia 4500
008 211209s9999 xx 000 0 und d
020 _a9789352601882
041 _aeng
082 _a333.79 KHA
100 _aKHAN
245 _aNONCONVENTIONAL ENERGY RESOURCES
260 _bNEW AGE
999 _c79800
_d79800