Search Results       Your search for [author]Treuenfels, Peter, 1926- returned 1 record.           Computers. by Treuenfels, Peter, 1926-; Minneapolis: Dillon Press, 1975. Subject: Electronic data processing -- Vocational guidance -- Juvenile literature; Data processing -- Vocational guidance; Computers; Vocational guidance.          Add to Book Cart Relevance: 24.51%