TY  - BOOK
AU  - Pettijohn
AU  -  Potter
AU  -  Siever
TI  - Sand and sandstone
U1  - H2321, L2;1-;2 
PY  - 1972///
CY  - New York    
PB  -  Springer-Verlag        
KW  -  Sandstone
KW  - Geology
ER  -