GAJEWSKI JERZY [red.] 299,621 MEDICAL Medical risks : trends in mortality by age and time elapsed : a reference volume / sponsored by the Association of Life Insurance Medical Directors of America and the society of Actuaries ; Edward A. Lew, project director and co-ed., Jerzy Gajewski, co-ed. - New York [etc.] : Praeger Publ., [1990]. - 2 vol. ; 29 cm Vol.1- XI, 826 s. wiele liczb. Vol. 2. - XI, 707 s. wiele liczb. : wykr. ISBN 0-275-93786-0 (set) ISBN 0-275-93787-9 (v.1) ISBN 0-275-93788-7 (v. 2)