00303nam a2200109Ia 4500008004100000082001700041100002200058245005400080260002500134650001800159650001600177220204s9999    xx            000 0 und d  a552.3bJOH.1  aJOHANNSEN, Albert 0aDescriptive petrography of the igneous rocks. V1.  aBombaybAlliedc1931  aIgneous rocks  aPetrography