Elsevier North-Holland

Preface It was a great pleasure and honor to welcome the participants to our Fourth International Symposium on Phenothiazines and Structurally Related Drugs. It was gratifying to see many familiar faces; sad to miss somé of the old-timers whose presence at our conferences we took for granted;...

PrefaceThe study of program behavior has lately increased in intensity. There havebeen many recent research papers on the subject, and even a special issue ofIEEE Computer (November, 1976), not to mention frequent applications ofexisting program models in system analysis and simulation. But to my...

PREFACE The Honorary President of our Conference, Charlotte Auerbach, first demonstra-ted over 30 years ago the mutagenic potential of chemical agents. It is only with-in the last ten years, however, that geneticists have become aware that chemicals exist among medici nes, pesticides, in food...