TY  - BOOK
AU  - Lenz,Harold F.H.
TI  - Scientific german: for intermediate students 
U1  - 438.242 
PY  - 1951///
CY  - New York
PB  - W. W. Norton mpany
KW  - German language
KW  - Study and teaching
KW  - Science
KW  - Senior secondary school
ER  -