1.
 |  | Title: Spectral Atlas of Polycyclic Aromatic Compounds: Including Data on Physico-Chemical Properties Occurrence and Biological Activity by W. Karcher, S. Ellison, E. Gevers, J. Jacob ISBN: 0792300084 Publisher: D Reidel Pub Co Pub. Date: December, 1988 List Price: $537.00 Amazon.com Price: $537.00 |
2.
 |  | Title: Practical Applications of Quantitative Structure-Activity Relationships by W. Karcher, J. Devillers ISBN: 0792308271 Publisher: Kluwer Academic Publishers Pub. Date: October, 1990 List Price: $312.00 Amazon.com Price: $312.00 |
3.
 |  | Title: Spectral Atlas of Polycyclic Aromatic Compounds: Including Information an Aquatic Toxicity, Occurrence and Biological Activity by W. Karcher, J. Devillers, Ph. Garrigues, J. Jacob ISBN: 0792314646 Publisher: Kluwer Academic Publishers Pub. Date: January, 1992 List Price: $537.00 Amazon.com Price: $537.00 |
4.
 |  | Title: Applied Multivariate Analysis in Sar and Environmental Studies (Eurocourses, Vol 2) by J. Devillers, W. Karcher ISBN: 0792312902 Publisher: Kluwer Academic Publishers Pub. Date: July, 1991 List Price: $197.00 Amazon.com Price: $197.00 |
5.
 |  | Title: Spectral Atlas of Polycyclic Aromatic Compounds: Including Data on Occurrence and Biological Activity by W. Karcher ISBN: 9027716528 Publisher: D Reidel Pub Co Pub. Date: April, 1985 List Price: $341.00 Amazon.com Price: $341.00 |