00596nam a22001811 4500 1/2510 931102s1990 xxu 000 0 eng d 2668 DLC GR-PeUP 330.09 BO Boss, Helen. Theories of surplus and transfer: parasites and producers in economic thought/ Helen Boss.- Boston : Unwin Hyman, 1990. xviii, 346p.; 23cm. Bibliography. Economics History. Economics theories history. INST UNIPILB MAIN 20040709 330.09 BO 00123260 00123260 LOAN 0 1