Hermens, Piet L.J. books & textbook
Solidarity of Generations Vol I & II, Demographic, economic and social change and its consequences
Hermkens, Piet L J Becker, Henk A. Hermens, Piet L.J. Becker, Henk A
Purdue University Press /1993-12-01 Paperback / 333 Pages
isbn-10: 9051702604 / isbn-13: 9789051702606
