TY - `BOOK` AU - Oele, Erno TI - Sedimentological aspects of four lower-paleozoic formations in the northern part of the Province of Leon (Spain) PY - 1964 LA - eng SE - 99 S. N1 - Leiden, Univ., Diss., 1964 CN - XB 420 AN - UBHD-1983913 ER -