000 00302nam a2200097 4500
100 _aBerlin:Springer- Verlag
245 _aContribution to Minerology and Petrology,vol.33(1-4)
_cBerlin:Springer- Verlag
260 _aBerlin:Springer- Verlag
_c1971
260 _aBerlin:Springer- Verlag
_c1971
942 _cCR
999 _c337103
_d337103