000
00263nam a22001217a 4500
082
_a
552.5 PET.S
_b
GEOD270
084
_a
552.5 PET.S
100
_a
Pettijohn,F.J
245
_a
Sedimentary rocks
250
_a
Third
260
_a
NewDelhi
_b
CBS
_c
1984
942
_c
BK
999
_c
619552
_d
619552