TY - BOOK ID - 137565865 TI - Molluscan and brachiopod dominated biofacies in the Platteville foramtion (Middle Ordovician), upper Mississippi Valley AU - Bretsky, Peter W. AU - Bretsky, Sara S. AU - Schaefer, Patrick J. PY - 1977 PB - Copenhagen s.n. DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:137565865 AB - ER -