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Author | Title | Year | Publication ![]() |
Serial | Volume | Pages |
---|---|---|---|---|---|---|
Zeeb K, | Ethologische Betrachtung zur Forensik des Fluchtverhaltens bei Pferden | 1969 | 1748 | 82 | 13-16 | |
Halford; G.S.; Halford, J.M . | Secondary reinforcement: signal or substitute reward? A preliminary investigation | 1969 | 3588 |