TY  - BOOK
AU  - Erich J Neuhold and Harold W Lawson 
AU  - Neuhold, Erich J     Lawson, Harold W 
TI  - Pl/i Machine : introduction to programming 
U1  - 658.4033, NEU  
PY  - 1971///
CY  - Reading
PB  - Addison-wesley
ER  -