Discovering the Living Ocean: A Manual of Field and Laboratory Activities Detwiler, Paul Heftet / 2010 / Engelsk
B. H. S. Reflector, 1917: Published Annually by the Students of Bellefontaine High School (Classic Reprint) Detwiler, Paul Innbundet / 2019 / Engelsk
B. H. S. Reflector, 1917: Published Annually by the Students of Bellefontaine High School (Classic Reprint) Detwiler, Paul Heftet / 2019 / Engelsk
Discovering the Living Ocean A Manual of Field and Laboratory Activities Detwiler, Paul Heftet / 2023 / Engelsk
