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Dyfyniad Arddull ChicagoHorsthuis, Winfried Henri Gerard. Investigations on Periodically Perturbed Optical Waveguides. [S.l.: s.n.], 1987.
Dyfyniad MLAHorsthuis, Winfried Henri Gerard. Investigations on Periodically Perturbed Optical Waveguides. s.n.], 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.