%0 Book %A Hitchens, D. M. W. N. %E Wagner, Karin, 1950- %E Birnie, J. E. (J. Esmond), 1965- %I Avebury %D 1990 %C Aldershot %G English %B The Avebury business school library %T Closing the productivity gap a comparison of Northern Ireland, the Republic of Ireland, Britain and West Germany