Devaraj ,Tommandru Ajaraiah Samuel. (1997). Trace anaysis of Uranium and Thorium. Discovery publishing house.
Dyfyniad Arddull ChicagoDevaraj ,Tommandru Ajaraiah Samuel. Trace Anaysis of Uranium and Thorium. New Delhi: Discovery publishing house, 1997.
Dyfyniad MLADevaraj ,Tommandru Ajaraiah Samuel. Trace Anaysis of Uranium and Thorium. Discovery publishing house, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.