L. D. Preez

Optical absorption features associated with paramagnetic nitrogen in diamond

H. B. Dyer, F. Raal, L. D. Preez, 1965 .

Exchange interaction effects in the E.S.R. spectrum of substitutional nitrogen in diamond

L. D. Preez, J. Loubser, W. P. V. Ryneveld, 1965 .

New lines in the electron spin resonance spectrum of substitutional nitrogen donors in diamond

L. D. Preez, J. Loubser, 1965 .

Irradiation Damage in Type I Diamond

H. B. Dyer, L. D. Preez, 1965 .

Carrier-free Manganese-54 from the Pile?

L. D. Preez, T. Alper, 1950, Nature.

Electron paramagnetic resonance and optical investigations of defect centres in diamond

L. D. Preez, 1965 .