000 00318nam a2200121Ia 4500
001 24607
008 170722s9999 xx 000 0 und d
100 _aHeinrich, E. Wm
245 _aMicroscope petrography /
260 _c1956.
490 _aMcGraw-Hill series in the geological sciences ed by Robert R
942 _cGEN
999 _c56045
_d56045