http://www.brad.ac.uk/
http://www.brad.ac.uk/~gpaterso/pulp.html
http://iinet.net.au/~sbrowne/index.html
http://ns.ph.liv.ac.uk/~mbs/felt
http://ns.ph.liv.ac.uk/~mbs/pulp
http://www.abc.se/~m9546/intu
http://www.aber.ac.uk/~ngd2
http://www.cs.man.ac.uk/~baileya/Pulp/index.html
http://www.deltanet.com/users/lukelin/pulp.html
http://www.idsonline.com/tripout
http://kspace.com/taylorw
http://members.aol.com/djtoell/home.html
http://www.islandnet.com/~woloshen/ijackson.html
http://www.wadham.ox.ac.uk/~byoung
http://www.wadham.ox.ac.uk/~byoung/BlackGrape