Life and other contingencies : P. F. Hooker and L. H. Longley-Cook. vol. 2 / Hooker, Percy Francis. Longley-Cook, L. H. joint author. Life insurance Mathematics. HG8781 .H65 368.3 HOL Includes index. Cambridge : Published for the Institute of Actuaries and the Faculty of Actuaries at the University Press, 1957. 1957. 1957 Text ix, 256 p. : eng