Psychology Abstracts. Vol 42 No 1-6(1968), 44 No 7-11(1970) - American Psychological Association (Washington American Psychological Association, 1968)
American Psychological Association: Psychology Abstracts. Vol 42 No 1-6(1968), 44 No 7-11(1970). Washington. American Psychological Association, 1968.--(150.16AME)
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