00256nam a2200109Ia 4500082002100000100002300021245003100044260004600075300001500121500000500136700000500141  a338.901bW262.CD  aWard, R. J. d ed.  aChallenge of developmentb  aNew YorkbAldine Publishing Companyc1967  axii, 500p.  a  a