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La responsabilité personnelle de l'armateur en cas d'accident du travail du marin
Calais-Auloy, Ph., (1956)
Niektóre psychologiczne problemy bezpieczeństwa pracy na morskim statku transportowym
Borucki, Zenon, (1969)
Determining forces in collective wage bargaining
Levinson, Harold Myer, (1966)
Growth in employee-benefit plans
Skolnik, Alfred M., (1958)
Growth in employee-benefit plans, 1954-57
Skolnik, Alfred M., (1959)
Sviluppo dei regimi di previdenza volontaria negli Stati uniti