000
00256nam a2200097Ia 4500
100
_a
Johannsen A
245
_a
Descriptive Petrography of the Igneous Rocks Vol 1
260
_b
Univ of Chicago Press, Chicago
082
_a
H21/N31/B09919
300
_a
pp 318; 25*17
999
_c
818
_d
818