(1963). V. 16, № 4; Nuclear Science and Engineering. 1963.
Dyfyniad Arddull ChicagoV. 16, № 4; Nuclear Science and Engineering. 1963, 1963.
Dyfyniad MLAV. 16, № 4; Nuclear Science and Engineering. 1963, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.