DISPOSITIFS "SUBTERRENE" DE CREUSEMENT DES ROCHES PAR FUSIONALTSEIMER JH.1974; ; S.L.; DA. 1974; DE L'ANGL.: TUNNELS AND TUNNELLING, JANVIER-FEVRIER 1974; P.34, 36-37 ET 40-41Miscellaneous

THE PROMISE AND STATUS OF INTERNATIONAL APPLICATIONS OF PHOTOVOLTAICSALTSEIMER JH; KRUPKA MC.sdMIAMI INTERNATIONAL CONFERENCE ON ALTERNATIVE ENERGY SOURCES. 4/1981/MIAMI BEACH FL; USA; CORAL GABLES: UNIVERSITY OF MIAMI, CLEAN ENERGY RESEARCH INSTITUTE; DA. S.D.; PP. 202-204Conference Paper