00839nam a2200265Ia 4500 39155 BIBL 20170331121959.0 720619s1972 ilua b 00110 eng 78075980 //r88 0202370003 EVLG 300.182 A182o c1 H61 .A38 300/.1/82 300.182 A182o 48886 Ackoff, Russell Lincoln, Local On purposeful systems [by] Russell L. Ackoff and Fred E. Emery. Chicago Aldine-Atherton [1972] xii, 288 p. illus. 25 cm. 12.95 Includes bibliographies. Social systems 171894 Local 171848 Social sciences Methodology. Local Emery, F. E. (Frederick Edmund) joint author. 220491 Local 29990 29990 0 0 0 300_182000000000000_A182O 0 evl 290967 10 10 1 2016-05-27 53755 0 300.182 A182o 80000000304108 2016-05-27 00:00:00 r:39155 z:NCC:D 6