Grimes, J., Rawlings, S., & Willott, C. (2003). The Receding Torus Model - evidence from emission-line luminosities and the quasar fraction.
Dyfyniad Arddull ChicagoGrimes, J., S. Rawlings, and C. Willott. The Receding Torus Model - Evidence from Emission-line Luminosities and the Quasar Fraction. 2003.
Dyfyniad MLAGrimes, J., et al. The Receding Torus Model - Evidence from Emission-line Luminosities and the Quasar Fraction. 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.