000 00245nam a2200109Ia 4500
008 211209s9999 xx 000 0 und d
041 _aeng
082 _a551 N67 YAK
100 _aYAKUSHOVA GORSHKOV G
245 _aPHYSICAL GEOLOGY
300 _a597
999 _c7587
_d7587