TY - BOOK ID - 134977165 TI - Early Mississippian blastoids from western Montana AU - Sprinkle, James AU - Gutschick, Raymond C. PY - 1990 PB - Cambridge, Mass. Harvard University DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:134977165 AB - ER -