Vacca, Roberto. Modest technologies for a complicated world / Roberto Vacca. - Oxford : Pergamon Press, 1980. - 172p HB ISBN: 0080240674 Standard No.: 1507 [old SOUL v1.0 record id] Subjects--Topical Terms: Technology - Social aspect - Under Developed Area Dewey Class. No.: 303.483091724 / V 132 m