Christian, Bidard. The analysis of linear economic systems : Father Maurice Potrons pioneering works / By Bidard Christian, Erreygers Guido. - 1st Ed. - London : Routledge, 2010. - 265p. ; 00 cm. ISBN: 9780415473217 Subjects--Topical Terms: ECONOMICS. Dewey Class. No.: 330.0151 / ANA