00399nam a2200145Ia 4500008004100000082001600041100002200057245005400079250000600133260004500139300000800184650001400192650002000206653002700226170901s1954    xx            000 0 und d  a371.3bM91S  aMursell, James L. 0aSuccessful TeachingbIts Psychological Principles  a2  aNew YorkbMcGraw-Hill Book Companyc1954  a321  aEducation  aSocial sciences  aEducational technology