Guesgen, H., Hertzberg, J. A Perspective of Constraint- Based Reasoniong. Berlin: Springer- Verlag, 1992 125 p. 3-540-55510-2.
Guesgen, H., Hertzberg, J. A Perspective of Constraint- Based Reasoniong. Berlin: Springer- Verlag, 1992 125 p. 3-540-55510-2.
Guesgen, H., Hertzberg, J. (1992) A Perspective of Constraint- Based Reasoniong, Berlin: Springer- Verlag 125 p. 3-540-55510-2.
Guesgen, H., & Hertzberg, J. (1992). A Perspective of Constraint- Based Reasoniong. An Introductory Tutorial. Berlin: Springer- Verlag, 125 p.
Guesgen H, Hertzberg J. A Perspective of Constraint- Based Reasoniong: An Introductory Tutorial. Berlin: Springer- Verlag; 1992. p. 125 p. ISBN: 3-540-55510-2.
