00556    a2200193   4500041000900000082001800009100003800027245006600065260003200131300002100163504001500184650002900199650003200228650002200260650002300282653002700305942001300332999001700345  aEng.  a371.39bF945t  aFry, Edward Bernard, 1925-917276  aTeaching machines and programmed instriction; an introduction  aNew YorkbMcGraw Hillc1963  ax, 244p.billus.  ap. 185-194  aTeaching machines917277  aEducation Objectives917278  aProgramming94023  aIndustrials917282  aProgrammed Instruction  2ddccGEN  c57782d57776