book Astrology: Science or superstition? by Eysenck and Nias (1982). Carlson, Shawn. A double-blind test of astrology (PDF). Nature. 1985, 318 (6045): 419–425
State University of New York Press. 1982. ISBN 978-0-87395-572-0. Carlson, Shawn. A double-blind test of astrology (PDF). Nature. 1985, 318 (6045): 419–425