000 00298nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aFerman (Gerald S) and Levin (Jack)
245 0 _aSoicoal Science research
260 _b"John witely, USA"
260 _c1975
365 _b4.95
942 _cBK
999 _c203483
_d203483