TY - BOOK ID - 138330683 TI - A preliminary study of the evolution of Chiasmolithus in the middle Eocene to oligocene of sites 647 and 748. AU - Firth, John V. AU - Wise, Sherwood W. Jr. PY - 1992 PB - S.l. s.n. DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:138330683 AB - ER -