000
00241nam a2200097 4500
999
_c
336010
_d
336010
082
_a
551.71
_b
SAL.P
100
_a
Salop, L.J
245
_a
Precambrian of the Northen Hemisphere
_c
Salop, L.J
260
_a
Amsterdam
_c
1977
_b
Elsevier
942
_c
BK