- APPLA: Apprentice Planning System for Indoor Autonomous Mobile Robots,
M. Bellafkih and K. Zreik
Paper 14.2 from CCP: 14, ISBN 0-948749-16-4 (1993)
- A Spatial Information System for Indoor Autonomous Mobile Robots,
X. Tang and K. Zreik
Paper 14.4 from CCP: 14, ISBN 0-948749-16-4 (1993)