The Gauquelin planetary effects. This includes the extensive research of Michel Gauquelin, Francoise Gauquelin and more recent work by Suitbert Ertel, Arno Müller and others.
Some implications of the "Gauquelin planetary effects".
A review of The 'Mars Effect', A French Test of Over 1,000 Sports Champions, a skeptic book outlining a study of the Mars effect
Information about The Tenacious Mars Effect, a book co-authored by Suitbert Ertel and Kenneth Irving, which gives the most complete history of Gauquelin's work on the Mars-effect for sports champions, the controversy over it caused through efforts by skeptic groups to debunk it and a thorough analysis of the data and methods of those groups.