TY  - MON
AU  - Helmdach, Friedrich Franz
TI  - Stratigraphy and Ostracod-fauna from the coalmine Guimarota (upper Jurasic)
PY  - 1971///
CY  - Lisboa
PB  - SGP
KW  - Geologia
KW  - Leiria (Portugal)
KW  - 551
PB  - SGP
SP  - 48 p., 4 desdobr., 12 p. il.
PP  - Lisboa
ER  -