The probability that nebulae which act as gravitational lenses will be found becomes practically a certainty.
On the Probability of Detecting Nebulae Which Act as Gravitational, Lenses, Physical Review, Volume 51, Number 8. 1937
The probability that nebulae which act as gravitational lenses will be found becomes practically a certainty.
On the Probability of Detecting Nebulae Which Act as Gravitational, Lenses, Physical Review, Volume 51, Number 8. 1937