Nagy Jeno Ammonite faunas and stratigraphy of lower creataceous rocks in southern spitsbergen - Oslo Norsk Polarinstitutt 1970 - 58p. cm. - Norsk polarinstitutt skrifter; 152 . Standard No.: 57429 Source: Textual Subjects--Topical Terms: Stratigraphy Dewey Class. No.: H534.9473.9G, L0