TY - GEN AU - Phillips,R E AU - Siegel,P B TI - Development of fear in chicks of two closely related genetic lines SN - 0003-3472 PY - 1966///1226 KW - Animals KW - Avoidance Learning KW - Behavior, Animal KW - Fear KW - Genetics KW - Poultry N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0003-3472(66)80014-3 ER -