BIBCYT http://bibcyt.ucla.edu.ve/cgi-win/be_alex.exe?Ultimo&Nombrebd=BIBCYT UCLA - Biblioteca de Ciencias y Tecnologia Felix Morales Bueno Knight, John C. knight@cs.virginia.edu P Principal Leveson , Nancy G. ngl@safeware-eng.com P Principal Should software engineers be licensed? 45 pp.87-90.; 28 cm.; il.