Groot, T. d. (1966). Weak solar radio bursts: Study of narrow-band spectra of noise storms and type-III bursts. D. Reidel.
Dyfyniad Arddull ChicagoGroot, Thomas de. Weak Solar Radio Bursts: Study of Narrow-band Spectra of Noise Storms and Type-III Bursts. Dordrecht: D. Reidel, 1966.
Dyfyniad MLAGroot, Thomas de. Weak Solar Radio Bursts: Study of Narrow-band Spectra of Noise Storms and Type-III Bursts. D. Reidel, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.