TY  - BOOK
AU  - Petttijohn , F . J.
TI  - Sedimentary rocks
U1  - 552.5/552/PET 
PY  - 1975///
CY  - Calcutta
PB  - Oxford Book Company
KW  - Pertology -
KW  - Perology - Sedimentary rocks -
N1  - Includes bibliographical references  and index
ER  -