00603nam a22001931 4500 1/10596 970721s1968 enk 000 0 eng d 0 393 09788 1 10945 DLC GR-PeUP 330 AV Averitt, Robert T. The dual economy: the dynamics of American industry structure / Robert T. Averitt New York: Norton & Company inc, 1968 208 p.; 22 cm Index: 205-208 p. Economy. Industry Economy. INST UNIPILB MAIN 20040709 330 AV 00107922 00107922 LOAN 0 1