TY - BOOK ID - 138199086 TI - Biostratigraphy of the Upper Cretaceous in South Limburg : Joint. Ann. Meeting. Pal. Assoc. PY - 1978 PB - Maastricht s.n. DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:138199086 AB - ER -