Experimentum crucis
[de] Experimentum crucis
[es] Experimento crucial
[et] Otsustav eksperiment
[fa] آزمایش حیاتی
[fr] Experimentum crucis
[it] Experimentum crucis
[nl] Cruciale test
[nb] Kritisk eksperiment
[pl] Experimentum crucis
[ru] Experimentum crucis