H. V. Ass

Preparation of graded-index optical glass fibres in the alkali germanosilicate system

H. V. Ass, R. G. Gossink, P. Severin, 1976 .

Internal friction and dielectric losses of mixed alkali borate glasses

J. M. Stevels, H. V. Ass, W.J.Th. van Gemert, 1974 .

Diffusion kinetics of some glass systems used for the production of optical fibres

H. V. Ass, 1979 .