000
00223nam a2200097 4500
999
_c
334170
_d
334170
082
_a
548
_b
WAR.N
100
_a
Ward,A.G.
245
_a
The nature of crystals
_c
Ward,A.G.
260
_a
London
_c
1947
_b
Blackie & Son
942
_c
BK