000 002810000a22001330004500
008 140223b1969 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aH1 K9
082 _aH1 K9
100 _aBarth (T F)
245 _aFeldspares
260 _c1969
650 _aMineralogy
999 _c156000
_d156000