1.
 |  | Title: Logic Programming in Action: Second International Logic Programming Summer School, Lpss '92 Zurich, Switzerland, September 7-11, 1992: Proceedings by G. Comyn, N.E. Fuchs, M.J. Ratcliffe ISBN: 0387559302 Publisher: Springer Verlag Pub. Date: December, 1992 List Price: $69.95 Amazon.com Price: $69.95 |
2.
 |  | Title: British Plant Communities: Volume 5, Maritime Communities and Vegetation of Open Habitats by J. S. Rodwell, C. D. Pigott, D. A. Ratcliffe, A. J. C. Malloch, H. J. B. Birks, M. C. F. Proctor ISBN: 0521391679 Publisher: Cambridge University Press Pub. Date: 16 March, 2000 List Price: $170.00 Amazon.com Price: $170.00 |
3.
 |  | Title: Lead in Man and the Environment by J. M. Ratcliffe ISBN: 0470271841 Publisher: Halsted Press Pub. Date: July, 1981 List Price: $96.95 Amazon.com Price: $96.95 |
4.
 |  | Title: Logic Programming in Action (Lecture Notes in Artificial Intelligence) by G. Comyn, N.E. Fuchs, M.J. Ratcliffe ISBN: 3540559302 Publisher: Springer-Verlag Berlin and Heidelberg GmbH & Co. KG Pub. Date: 01 August, 1992
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