NÖLB ) ¬The¬ international encyclopedia of education ; 4, F - H. - o.O., 1985. - IX S., S. 1813-2377 : Ill., graph. Darst. ( Kollat: IX S., S. 1813-2377 : Ill., graph. Darst.)(¬The¬ international encyclopedia of education ; 4)
Literaturangaben
Sign.: 114.157 B 4 * Regal: 120-42,4