This book contains th Proceedings of the World Conference of the International Nuclear Target Development Society held in Boston, October 1-3, 1979. Approximately seventy participants and registrants from the following countries attended this Conference: Belgium, Canada, Denmark, United Kingdom, German Federal Republic, Israel, Japan, The Netherlands, Saudi Arabia, Switzerland, and the United States. The Conference was sponsored by the New England Nuclear Corporation. Conference Chairman in residence was Jozef Jaklovsky who was assisted by the invited Co-Chairman D. Riel of the State...