In the summer of 1981 Allen Gersho organized the first major open co,ifcrcncc c~ci devoted to cryptologic research This meeting, Crypto '81, was held at the Universitc nl California campus in Santa Barbara Since then the Crypto' conference has become dii annual event These are the proceedings of the fifth1 of these confercnces, Crypt0 XS Each section of this volume corresponds to a session at the meeting.  Meer

Describes the development and extension of fundamental idea of Edouard Lucas, a French mathematician and mathematical recreationist, that is still used today in the verification of the largest primes.  Meer

Do recent moves in the construction industry towards collaborative working and other new procurement procedures really make good business sense? Procurement in the Construction Industry is the result of research into this question and it includes the first rigorous categorizing of the differences between procurement methods currently in use.  Meer

Do recent moves in the construction industry towards collaborative working and other new procurement procedures really make good business sense? Procurement in the Construction Industry is the result of research into this question and it includes the first rigorous categorizing of the differences between procurement methods currently in use.  Meer

Key Concepts in the Gothic provides a one-stop resource which details and defines, in accessible language, those contexts essential for the study of the Gothic in all periods and media.  Meer

Key Concepts in the Gothic provides a one-stop resource which details and defines, in accessible language, those contexts essential for the study of the Gothic in all periods and media.  Meer

Provides a uniquely detailed and accessible insight into the terminology and culture of the Victorian period  Meer