1992 · L.G. Barfield · Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands · 3
1992 · Steven Pemberton, L.G. Barfield · Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands · 2
1992 · Lon Barfield · Centrum Wiskunde & Informatica (CWI), the national research institute for mathematics and computer science in the Netherlands · 2