00741nam a2200205 4500 1/15830 730117s1972 enk 00110 eng 0884100405 16333 DLC GR-PeUP 338.8 WA Warren-Boulton, Frederick R. Vertical control of markets business and labor practices / Frederick R. Warren-Boulton Cambridge : Ballinger Publishing Company , 1978 xv, 213 p. : fig. ; 23 cm. Restraint of trade. Trusts, Industrial. Restrictive practices in industrial relations. INST UNIPILB MAIN 20040709 338.8 WA 00131344 00131344 LOAN 0 1 /webopac/covers/01/16333_0884100405.jpg