Maas, Ineke Center for Sociology and the Study of the Life Course, Max Planck Institute for Human Development, Max Planck Society;
van Leeuwen, M. H. D., Maas, I., & Miles, A. (1999). Final HISCO coding principles. In M. H. D. van Leeuwen, I. Maas, & A. Miles (Eds.), Historical International Standard Coding of Occupations: Final coding principles with examples from Norway and Germany (pp. 5-25). Berlin: Max Planck Institute for Human Development.