Metallization technologies for wide band-gap semiconductor substrates : (invited paper)Rang, Toomas; Korolkov, Oleg; Pikkov, MihhailProceedings of the 6th Nexuspan Workshop Microsystems Technology Activities in Baltic Region : 23-24 April, 1999, Vilnius, Lithuania1999 / p. 27-30 Semiconductor based alcohol sensing elementRang, Toomas; Kasemaa, ArgoProceedings of the 6th Nexuspan Workshop Microsystems Technology Activities in Baltic Region : 23-24 April, 1999, Vilnius, Lithuania1999 / p. 82-84