@article{Van Leeuwen2004,
author = {Van Leeuwen, M.H.D. and Maas, I. and Miles, A. },
title= {Creating a historical international standard classification of occupations: An exercise in multinational interdisciplinary cooperation},
year = {2004},
doi = {10.3200/HMTS.37.4.186-197},
journal = {Historical Methods: A Journal of Quantitative and Interdisciplinary History },
volume = {37},
number = {4},
pages = {186--197},
}