TY - CONF A1 - Lambert, P.S. A1 - Zijdeman, R.L. A1 - Maas, I. A1 - Prandy, K. A1 - van Leeuwen, M.H.D. T1 - HIS-CAM - Presentation and evaluation of an historical occupational stratificaton scale based upon the analysis of social interaction Y1 - 2008 UR - http://www.camsis.stir.ac.uk/hiscam/ last accessed August 23 2010 CY - Lisbon ER -