The biosynthesis of beta-lactams, J.E. Baldwin and C. Schofield; structure-activity relationships - chemical, M.I. Page; - biological, H.C. Neu; the mechanisms of reactions of beta-lactams, M.I. Page; mode of action - interaction with the penicillin binding proteins, J.M. Frere et al; beta-lactamase - mechanism of action, S.G. Waley; beta-lactamase - inhibition, R.F. Pratt; novel beta-lactam structures - the carbacephems, R.D.G. Cooper; non-beta-lactam mimics of beta-lactam antibiotics, N. Junghein and R.J. Ternansky; classical beta-lactam structures, E.W. Colvin.