TY  - BOOK
AU  - Johns,R.B.,1930-
TI  - Biological markers in the sedimentary record
SN  - 0444425985
PY  - 1986///
CY  - Amsterdam
PB  - Elsevier North-Holland
KW  - Organic geochemistry
KW  - Geology, Stratigraphic
KW  - Rock, Sedimentary
N1  - Includes bibliographies and index
ER  -