Towards a Semantic Taxonomy. Classifying Activities on the Basis of Their Meaning
Elchardus, M.,
I. Glorieux (1993):
Towards a Semantic Taxonomy. Classifying Activities on the Basis of Their Meaning. Time Use Methodology: Toward Consensus, ISTAT (note e relazioni), 3, Roma: Istituto Nazionale di Statistica: 247-276 -
TOR 1992/5.