THE PROSPECTS FOR RENEWABLE ENERGY SOURCES.WITWER JG.1977; WAT. AIR SOIL POLLUT.; NETHERL.; DA. 1977; VOL. 7; NO 2; PP. 175-180; BIBL. 6 REF.; (PRACT. ALTERNATIVES PRESENT URBAN LIFE. ENVIRON. POLLUT. SYMP. 5; MENLO PARK, CALIF.; 1976)Conference Paper

SOCIAL AND ENVIRONMENTAL CONTEXT OF THE HYDROGEN ECONOMY = CONTEXTE SOCIAL ET D'ENVIRONNEMENT DE L'ECONOMIE BASEE SUR L'HYDROGENESALMON JD; WITWER JG.1975; IN: HYDROGEN ENERGY. HYDROGEN ECON. ENERGY CONF.; MIAMI BEACH, FLA.; 1974; NEW YORK; PLENUM PRESS; DA. 1975; PP. 1123-1135; BIBL. 11 REF.Conference Paper

AGRICULTURAL AND FORESTRY WASTES AS AN ENERGY RESOURCE.ALICH JA JR; WITWER JG.1977; SOLAR ENERGY; U.S.A.; DA. 1977; VOL. 19; NO 6; PP. 625-629; BIBL. 3 REF.Article

ENERGY CONSERVATION WITH LNG COLD.WITWER JG; USHIBA KK; SEMRAU KT et al.1976; CHEM. ENGNG PROGR.; U.S.A.; DA. 1976; VOL. 72; NO 1; PP. 50-55; BIBL. 5 REF.Article

LNG COLDPLER OFFERS SAVINGS IN ENERGY, EQUIPMENT, COSTS. = LA REVAPORISATION DES GNL PERMET DE REDUIRE LES COUTS DE L'ENERGIE ET DES EQUIPEMENTSWITWER JG; USHIBA KK; SEMRAU KT et al.1976; OIL GAS J.; U.S.A.; DA. 1976; VOL. 74; NO 9; PP. 90-100; BIBL. 3 REF.Article

THE EFFECT OF MEDIA INHOMOGENEITIES UPON INTRACRANIAL ELECTRICAL FIELDS = EFFET DES INHOMOGENEITES DES MILIEUX SUR LES CHAMPS ELECTRIQUES INTRACRANIENSWITWER JG; TREZEK GJ; JEWETT DL et al.1972; I.E.E.E. TRANS. BIO-MED. ENGNG; U.S.A.; DA. 1972; VOL. 19; NO 5; PP. 352-362; BIBL. 19REF.Serial Issue