00353nam a2200109Ia 4500082002100000100003000021245012300051260004500174300001400219500000500233700000500238  a338.901bH734.MS  aHolland, E. P. and Others  aModel for simulating dynamic problems of economic developmentbcBy E. P. Holland, Benjamin Tencer and R. W. Gillespie  aCambridgebInstitute of Technologyc1960  aix, 203p.  a  a