<anchor xmlns="http://www.tei-c.org/ns/1.0" xml:id="CTVL00107d998d98efc481fa976efc371184a3d" /> <hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">van Leeuwen, Marco H.D. / Maas, Ineke / Miles, Andrew</hi> (2002): Historical international standard classification of occupations. Leuven.