TY  - BOOK
AU  - Potapova,Nina
AU  - 
TI  - Fifty lessons in Russian
U1  - 371.304917/POF 
PY  - 0000///Progress Pub.
PY  - 0000///
CY  - Moscow 
KW  - Russian Language Study and Teaching
KW  -  Russian Language
N1  - Includes index and Bibliography and Glossary.
ER  -