1. The jigsaw classroom;Aronson,1978
2. Building empathy, compassion, and achievement in the jigsaw classroom;Aronson,2002
3. Achievement goals and optimal motivation: a multiple goals approach;Barron,2000
4. Das Mikrowellengerät—ein interessanter Küchenhelfer;Berger;Praxis der Naturwissenschaften Physik,2002
5. Physik und Technik des Rasterelektronenmikroskops;Berger;Praxis der Naturwissenschaften Physik,2003