TY - BOOK ID - 137832279 TI - The oldest traces of life and the advancing organization of the Earth : part II, Early and Late Proterophytic PY - 1983 PB - Tucson, Ariz. Palynodata DB - UniCat KW - Paleontology UR - https://www.unicat.be/uniCat?func=search&query=sysid:137832279 AB - ER -