TY  - BOOK
AU  - Manten A A
TI  - Silurian reefs of Gotland
U1  - 554.86 
PY  - 1971///
CY  - Amsterdam
PB  - Elsevier Pub
KW  - Gotland
KW  - Sedimentology
KW  - Silurian reefs
ER  -