A THEOREM ON DECENTRALIZED EXCHANGE.MADDEN PJ.1976; ECONOMETRICA; E.U.; DA. 1976; VOL. 44; NO 4; PP. 787-791; BIBL. 4 REF.Article

EFFICIENT SEQUENCES OF NON-MONETARY EXCHANGE.MADDEN PJ.1975; REV. ECON. STUDIES; G.B.; DA. 1975; VOL. 42; NO 132; PP. 581-596; BIBL. 12 REF.Article

IONISATION OF H^- BY ELECTRON IMPACT.BELL KL; KINGSTON AE; MADDEN PJ et al.1978; J. PHYS. B; GBR; DA. 1978; VOL. 11; NO 14; PP. 2547-2553; BIBL. 15 REF.Article

ONE-ELECTRON DETACHMENT FROM H^- IN COLLISIONS WITH ATOMIC HYDROGEN AND HELIUMBELL KL; KINGSTON AE; MADDEN PJ et al.1978; J. PHYS. B; GBR; DA. 1978; VOL. 11; NO 19; PP. 3357-3363; BIBL. 17 REF.Article