000 00335nam a2200133Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a552
_br692
100 _aRodionov D A
245 _aOn the problem of statistical comparison of rock compositions
260 _c1964
942 _cBK
999 _c105144
_d105144