Nenquin, Di Jacques. <br/><br/>
A short report on the meeting of the permanent council of the U.I.S.P.P. in Zurich, 25.8.1994, and the activities of its various committees and commissions. 

 - Forli-IT :   A.B.A.C.O,   1996. 
 - páginas 49-52 
 - Semestral 
 - Año II, no.3 (Set. 1996) 
 - Bollettino del XIII Congreso U.I.S.P.P. ;   no.3 .
 - Congreso U.I.S.P.P. .