TY  - MANSCPT
AU  - Fries, Charles Carpenter 
TI  - Cumulative pattern practices
U1  - 428.2400 F91 
PY  - 1954///
CY  - Ann Arbor : 
PB  - University of Michigan Press, 
KW  - inglés-texto de
KW  - gramática inglesa
N1  - Lessons I-XX from an intensive course in English
ER  -