1. Handbook of coping: theory, research, applications;Zeidner,1996
2. Coping and defense: a historical overview;Parker,1996
3. Attachment and loss;Bowlby,1969
4. A secure base. Clinical applications of attachment theory;Bowlby,1988
5. Die Bindungstheorie: modell und entwicklungspsychologische Forschung;Grossmann,1989