Map projecting the spreading of refugees in western Europe / by G. BeijerBrain drain = Auszug des Geistes = Exode des cerveaux : a selected bibliography on temporary and permanent migration of skilled workers and high-level manpower, 1967-1972 / by G. BeyerRural migrants in urban setting : an analysis of the literature on the problem consequent on the internal migration from rural to urban areas in 12 European countries (1945-1961) / G. Beijer ; published under the auspices of the Netherlands Ministry of Social Work and the European Society for Rural SocietyRural migration / G. Beijer, G. HendriksSome aspects of migration problems in the Netherlands / by dr G. Beijer and J. J. Oudegeest $ Some quantitative aspects of future population development in the Netherlands / by T. van den Brink
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Characteristics of overseas migrants / G. Beijer, N. H. Frijda, B. P. Hofstede and R. Wentholt ; with a foreword by B. W. Haveman ; edited and introduced by G. BeijerHet vluchtelingenprobleem in West-Duitsland / door P.J. Bouman, G. Beijer, J.J. OudegeestDe vluchtende mens : symbool van de samenleving : een bundel beschouwingen over het vraagstuk der vluchtelingen / onder red. van G. BeijerThe refugee problem in Western Germany / P.J. Bouman, G. Beijer [en] J.J. Oudegeest ; transl. [from the Dutch] by H.A. Marx