LEADER 00000nam 2200229 a 4500 001 0411828 003 UkHlHU 007 t 008 001109 1 1964 000 eng 040 UkHlHU 050 4 BF 435 I6 110 2 International Association for the Scientific Study of Mental Retardation. 245 00 International Copenhagen congress on the scientific study of mental retardation, Copenhagen, Aug, 7-14, 1964 /|ced. by J. Ostler. 260 Copenhagen :|b[International Association for the Scientific Study of Mental Deficiency,. 300 2v. 650 0 Cognition. 710 2 International Committee on the Scientific Study of Mental Deficiency. 946 650 |a Subfields only, containing single words only. No 600s present -- Check for possible Geac subject headings 948 Closed Collection: 260 lacks |c, 008 has valid date
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