000 00323nam a2200145Ia 4500
008 170101s1961 xx 000 0 und d
082 _a550 R17M
100 _aRAMSEY, William L
245 0 _aModern earth science
260 _bN.Y.
_c1961
300 _a630p
650 _aGEOLOGY
653 _aGEOLOGY
942 _2ddc
_cB
999 _c20900
_d20900