Facets of Systems ScienceThis book has a rather strange history. It began in Spring 1989, thirteen years after our Systems Science Department at SUNY Binghamton was established, when I was asked by a group of students in our doctoral program to have a meeting with them. The spokesman of the group, Cliff Joslyn, opened our meeting by stating its purpose. I can closely paraphrase what he said: "We called this meeting to discuss with you, as Chairman of the Department, a