Weiss, Volkmar (2009): National IQ Means Transformed from Programme for International Student Assessment (PISA) Scores, and their Underlying Gene Frequencies. Published in: The Journal of Social, Political and Economic Studies , Vol. 34, No. 1 (April 2009): pp. 71-94.
Weiss, Volkmar (2008): National IQ means, calibrated and transformed from educational attainment, and their underlying gene frequencies. Published in: The Mankind Quarterly , Vol. 49, No. 2 (December 2008): pp. 130-164.
Weiss, Volkmar (2008): National IQ means, calibrated and transformed from educational attainment, and their underlying gene frequencies. Unpublished.
Weiss, Volkmar (2007): The Population Cycle Drives Human History - from a Eugenic Phase into a Dysgenic Phase and Eventual Collapse. Published in: The Journal of Social, Political and Economic Studies , Vol. 32, No. No. 3, Fall (2007): pp. 327-358.
