Analysis of conditional contingency using ACTUS2 with examples from studies of animal behavior.Published in:Acta Ethologica, 2002, v. 4, n. 2, p. 73, doi. 10.1007/s102110100050By:Estabrook, G.F.;Almada, V.C.;Almada, F.J.;Robalo, J.I.Publication type:Article