TY - BOOK ID - 134724479 TI - Holectypoid echinoids from Cenomanian and Turonian strata in the Mons Basin (Belgium) : 1. Discoides PY - 1994 PB - Bruxelles IRSNB DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:134724479 AB - ER -