TY  - SER
TI  - McGraw-Hill Digest: : The international magazine of business, engineering and industry
PY  - 1953///-
CY  - New York
PB  - McGraw-Hill
KW  - Comercio
KW  - Industria
KW  - IngenierÃ­a
N1  - DepÃ³sito
ER  -