Articles on the internet/ on-line
1 - Roland Billen, Dimos Pantazis and Bernard Cornélis, 2005, Application of ER and CONGOO formalisms in a spatial database-reengineering project, paper on Internet site of the University of Glasgow, Glasgow, Scotland (UK)
http://orbi.ulg.ac.be/bitstream/2268/21098/1/rbillen001.pdf
Other publications
1 - Pantazis, D. et al., 1992, « United Nations: International response to global issues / Too much left U.N.C.E.D. = United Nations Conference for the Environment and Development », Final document (published by UNO) of the United Nations 30th Graduate Study Program, Environment group, Geneva, June, 10 p.