Lenz, Harold Frederick H. Scientific German for intermediate students. [electronic resource] . — [1st ed.]. — New York, : Norton, [c1942]. — 247 p. : ill. LCCN: 42022345 Nat. Bib. Agency Control No.: 04230110R DNLM Subjects--Topical Terms: German language--Science.--Readers LC Class. No.: Q213 / .L4 Dewey Class. No.: 438.6 National Library of Medicine Call No.: Q 213 / L575s 1942