Disambiguation evidence for Painlevé–Gullstrand coordinates via surface form

"Painlevé–Gullstrand time"

Triples (1)

Triples where some other subject referred to this entity as "Painlevé–Gullstrand time".

Painlevé–Gullstrand coordinates → hasTimeCoordinate →
"Painlevé–Gullstrand time"
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