000 00275nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a551 J17
100 _aJACOBS.J.A
245 0 _aPHYSICS AND GEOLOGY
260 _bMCGRAW, NEW YORK
_c1974
300 _a23X15
942 _cBK
999 _c61958
_d61958