with Bruinsma, C. , 1988, Why biased answers on evaluations of own job qualities in survey-interviews arise, in W. E. Saris & I. N. Gallhofer (eds.), Sociometric research I, Basingstoke, Palgrave Macmillan, pp. 215-229.
with Gallhofer, I. N. , 1988, A coding procedure for empirical research of political decision-making, in W. E. Saris & I. N. Gallhofer (eds.), Sociometric research I, Basingstoke, Palgrave Macmillan, pp. 51-68.
, 1988, Individual response functions and correlations between judgements, in W. E. Saris & I. N. Gallhofer (eds.), Sociometric research I, Basingstoke, Palgrave Macmillan, pp. 200-214.
with Gallhofer, I. N. (eds) , 1988a, Sociometric research I: data collection and scaling, Palgrave Macmillan, Basingstoke.