TY  - BOOK
AU  - Willey E.L
AU  - Agapeyeff  Tribe, Marion and Gibbens B.J and Clark, Michelle.
TI  - Some Commercial Autocodes : a comparitive study
U1  - 652.8  WIL 
PY  - 1961///
CY  - London
PB  - Academic Press
ER  -