TY  - BOOK
AU  - Collinson J D
AU  -  Thompson D B
TI  - Sedimentary strucutres
U1  - H23, M2 
PY  - 1982///
CY  - London
PB  - George Allen and Unwin      
KW  -  Sedimentary
KW  - Geology
N1  - Appendix 188-189p
ER  -