Jenkins G.J., Angel P., Joint Constraint Modeling Using Evolved Topology Generalized Multi-Layer Perceptrons (GMLP), IJSSST, Vol. 9, No. 4, December 2008, ISSN: 1473-804x online, 1473-8031
Angel, P. Identifying Species of Parasitic Wasp using Artificial Neural Networks. 5th International Conference on Ecological Informatics (ISEI5). 2006.
Gold C., Angel P., Voronoi Hierarchies , Lecture Notes in Computer Science, 2006, Volume 4197/2006, 99-111, DOI: 10.1007/11863939_7
Angel, P, "Automating the Identification of Species of Parasitic Wasp using Image Processing and Neural Networks", Poster Presentation, 2nd International Symposium on Information Technology in Biodiversity Research, St. Petersburg, 2001.
Angel, P, Morris, C.W., "Analysing the Mallat Wavelet Transform to Delineate Contour and Textural Features", Computer Vision and Image Understanding, Vol 80, No, 3, pp. 267-288, 2000.
Angel, P. "Multiscale Image Analysis for the Automated Localisation of Taxonomic Landmark Points and the Identification of Species of Parasitic Wasp", School of Computing, University of Glamorgan, 2000.
Angel, P, Morris, C.W, "A Neural Network Pipeline Architecture for Image Feature Extraction", 1st Int. Conf. in Imaging Science, Systems and Technology. Ed. H. Arabnia, 1997.