Frontiers of knowledge in mental retardation
Subtitle: [proceedings of the] Fifth Congress of the International Association for theScientific Study of Mental Deficiency.
By: edited by Peter Mittler; technical editor Jean M. de Jong.
Contributors: Mittler, Peter, 1930-; International Association for the Scientific Study of Mental Deficiency. Congress,
Publisher: University Park Press
Published: 1981
Place of publication: Baltimore
Language: eng
Number of pages: 467
Notes: In2 vols.

"... held in Jerusalem, Israel, from August 1st to August 7th, 1979" - preface.