Chemical vapour deposited tungsten as emitter in a thermionic energy converter / G.H.M. GubbelsQuantitative electron probe microanalysis of carbon in binary carbides / G.F. Bastin and H.J.M. HeijligersQuantitative electron probe microanalysis of carbon in binary carbides / G.F. Bastin and H.J.M. HeijligersQuantitative electron probe microanalysis of carbon in binary carbides / G.F. Bastin and H.J.M. HeijligersQuantitative electron probe microanalysis of boron in binary borides / G.F. Bastin and H.J.M. Heijligers