Coolidge effect
[az] Kulic effekti
[ca] Efecte Coolidge
[cs] Coolidgeův efekt
[de] Coolidge-Effekt
[es] Efecto Coolidge
[fa] اثر کولیج
[fr] Effet Coolidge
[he] אפקט קולידג'
[it] Effetto Coolidge
[ja] クーリッジ効果