000
00227nam a2200097 4500
999
_c
334411
_d
334411
082
_a
549
_b
ING.C
100
_a
Ingerson,Earl
245
_a
Clays and Clay Minerals
_c
Ingerson,Earl
260
_a
London
_c
1962
_b
Pergamon
942
_c
BK