Citation: H. Penz, THE ACQUISITION OF DISCOURSE PROFICIENCY - A STUDY OF THE ABILITY OF GERMAN SCHOOL STUDENTS TO PRODUCE WRITTEN TEXTS IN ENGLISH AS A FOREIGN-LANGUAGE - ARCHIBALD,AB, AAA. Arbeiten aus Anglistik und Amerikanistik, 23(1), 1998, pp. 120-124
Citation: H. Penz, MODERNIZATION IN AGRICULTURE - DEVELOPMEN TS IN AUSTRIA AFTER WORLD-WAR-II - FINDINGS OF RESEARCH INTO AGRICULTURE WITHIN THE RESEARCH FOCUS OF THE FWF ON AUSTRIA - SPACE AND SOCIETY, Mitteilungen der osterreichischen Geographischen Gesellschaft, 139, 1997, pp. 77-100
Citation: H. Penz et al., NUMERICAL INVESTIGATIONS ON INTERACTIONS BETWEEN TANGLES OF QUANTIZEDVORTICES AND 2ND SOUND, Physical review. B, Condensed matter, 51(17), 1995, pp. 11973-11976
Citation: H. Penz, THE COMPETITIVENESS OF AUSTRIA AGRICULTUR AL REGIONS, Mitteilungen der osterreichischen Geographischen Gesellschaft, 137, 1995, pp. 417-426
Citation: H. Penz, A DICTIONARY OF AMERICAN PROVERBS - MIEDE R,W, KINGSBURY,SA, KARDER,KB, Germanisch-romanische Monatsschrift, 43(3), 1993, pp. 363-366