00393nam a2200145Ia 450000500170000000800410001703700130005804000200007104100130009108400200010410000280012424500620015226000240021430000090023820250326123807.0250326s9999    xx            000 0 und d  aTextbook  aFMSLbengcFMSL  aeng2eng  aS:6 J4;K3qFMSL  aUniversity OF Nebrasaka 0aNebraska symposium on motivationcUniversity OF Nebrasaka  aUSAbUSA, UNPc1963  a202p