TY  - BOOK
AU  - Andrews,Clarence
TI  - Technical and business writing / 
SN  - 039518603x
U1  - 001.543 21
PY  - 1975///
CY  - New York : 
PB  - Haughton Mcfflin, 
KW  - LEMB
KW  - CORRESPONDENCIA
ER  -