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1
0033-2909.95.1.29
0033-2909.95.1.29
http://dx.doi.org/10.1037/0033-2909.95.1.29
The mean IQ of Americans: Massive gains 1932 to 1978
P356
Q46759563-BC179F43-63E4-4E38-B0AB-56B0A356072A
P356
0033-2909.95.1.29
http://dx.doi.org/10.1037/0033-2909.95.1.29