TY  - BOOK
AU  - Williams D F
AU  -  Full W E
AU  -  Lerche I
TI  - Istope chronostratigraphy
U1  - H5, M8 
PY  - 1988///
CY  - New York    
PB  -  Academic Press       
KW  -  Stratigraphy
KW  - Geology
ER  -