000 00411nam a2200181Ia 4500
008 210210b1923 xxu||||| |||| 00| 0 eng d
041 _aeng
082 _a550/7
100 _aHARKER (Alfred)
245 _aPetrology for students
260 _aCambridge
_bUniversity Press
_c1923
300 _a302
650 _astudents
650 _aPetrology
650 _afor
690 _aGeology
906 _a009942
999 _c128129
_d128129