TY - BOOK ID - 140758958 TI - A source book in geology, 1400-1900 AU - Mather, Kirtley F. AU - Mason, Shirley L. PY - 1970 PB - Cambridge, Mass. Harvard University Press DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:140758958 AB - ER -