Calzolari, Giorgio and Neri, Laura (2002): Imputation of continuous variables missing at random using the method of simulated scores. Published in: Compstat 2002, Proceedings in Computational Statistics, 15th Symposium held in Berlin No. Ed. by W. Haerdle and B. Roenz. Heidelberg: Physika Verlag (2002): pp. 389-394.