TY  - BOOK
AU  - Collinson,J D  .
AU  - Thompson,D B  .
TI  - Sedimentary structures / 
SN  - 8123903294
U1  - 552.5 
PY  - 1993///
CY  - New Delhi : 
PB  - CBS Publishers , 
KW  - SEDIMENTARY STRUCTURE
KW  - SEDIMENTARY ROCKS
ER  -