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082 _a551.11 M236
100 _aMALAKHOV.A
245 0 _aMYSTRY OF THE EARTH'S MANTLE
260 _aMOSCOW
_bMIR Publishers
_c1970
300 _a16X11
942 _cBK
_2DDC
999 _c15611
_d15611