000 00296nam a2200109Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aWilliams Howel and Other
245 0 _aPetrography
260 _bW. H. Freeman
_aSun Francisco
_c1958
942 _c1
999 _c55253
_d55253