xiv, 384pp. Black cloth-covered boards, gilt titles on spine. 8vo. Rubbed spine ends, bottom front corner bumped. Internally neat, clean, bright and tight. Dust jacket spine sun-faded, 2cm closed tear at top front, has light shelf wear, chipping to edges, mirrors book damage. An International Symposium organised and sponsored by Roche Products Limited at the University of Warwick, Coventry on the 9th and 10th of April 1981.