Books by Helfrich, H.K., 1971Click here for all books by Helfrich, H.K., 1971 available for purchase on-line. Stratigraphie, Tektonik, Petrochemie und montangeologische Züge am Nordrand der zentralen "Norrlandsgeosynklinale". [Sver. Geol. Unders., Ser. C, 654.] by Helfrich, H.K., 1971 listed for sale on Bibliophile Bookbase. Click here for full details and on-line purchase. Bibliophile Bookbase lists over 5 million books, maps and prints including out-of-print books, libri antichi, used books, incunabula and rare books. Bibliophile Bookbase for antiquarian books, maps and prints. |