Castellana F. e KIRSCH J. (2006):

“Analysis and Sandplay; Toward Spanning the Gap”, in «Journal of Sandplay Therapy», XV, (1), pp. 51-60.

 

Castellana F. (2006):

“Body, Image, Symbolic thought and Sandplay”, in «Journal of Sandplay Therapy», XV, (1), pp. 63-79.