MAP20160022148 Maegebier, Alexander The Impact of disability insurance on a portfolio of life insurances / Alexander Maegebier and Nadine Gatzert En: North American actuarial journal. - Schaumburg : Society of Actuaries, 1997- = ISSN 1092-0277. - 01/06/2016 Tomo 20 Número 2 - 2016 I. Title.