Citation: K. Kroppen, COOPERATION - HOW INSTRUCTORS EXPERIENCE COOPERATION BETWEEN MAINSTREAM AND SPECIAL-EDUCATION IN INTEGRATIVE KINDERGARTENS AND CLASSROOMS -GERMAN - HAEBERLIN,U, JENNYFUCHS,E, OPITZ,EM, PSYCHOLOGIE IN ERZIEHUNG UND UNTERRICHT, 42(4), 1995, pp. 311-312