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Journal of the Experimental Analysis of Behavior|January 1, 1997
Key-peck probability and topography in a concurrent variable-interval variable-interval schedule with food and water reinforcersB O Ploog, H P Zeigler
Journal of the Experimental Analysis of Behavior|January 1, 1996
Effects of food-pellet size on rate, latency, and topography of autoshaped key pecks and gapes in pigeonsB O Ploog, H P Zeigler
Physical Review Letters|September 16, 2000
Strain-mediated phase coexistence in heteroepitaxial filmsKaganer, Jenichen, Schippan, et al.
Experimental Brain Research|October 24, 1977
The effect of superior temporal lesions on the recognition of species-specific calls in the squirrel monkeyK Hupfer, U Jürgens, D Ploog
European Journal of Clinical Nutrition|November 1, 1990
Evaluation of body fat estimated from body mass index, skinfolds and impedance. A comparative studyB L Heitmann
International Journal of Obesity|August 1, 1991
Body fat in the adult Danish population aged 35-65 years: an epidemiological studyB L Heitmann
International Journal of Clinical Pharmacology and Biopharmacy|July 1, 1975
The use of tranquilizers in the treatment of mixed drug abuseK Kryspin-Exner, I Demel
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