542,420 METHODOLOGY Methodology in evaluation of psychiatric treatment : Proceedings of a Workshop held in Vienna 10—13 June 1981 / ed. by T. Helgason ; in collaboration with E. E. Anttinen [et al] ; European Medical Research Councils [...]: — Cambridge [etc.] : Univ. Press, [1983]. - XVII,[1], 273 s. : wykr.; 24 cm ISBN 0-521-25592-9