Salce, LuigiLuigiSalceHouston, EvanEvanHoustonFacchini, AlbertoAlbertoFacchini2010-10-152018-06-282010-10-152018-06-282004-12http://ntur.lib.ntu.edu.tw//handle/246246/216045en-USReduced modulesjournal article10.1201/9780824750817.ch29