00514nam a2200181ua 4500003001000000005001700010008004100027020001800068040003000086100002200116245005700138250001200195260005100207504003200258650001300290650001900303655001000322AR-SsjUCA20250715142341.0250228s1996    xxu           000 0 eng d  a0-521-63750-3  aAR-SsjUCAbspacAR-SsjUCA1 aLehner, Philip N.10aHandbook of ethological methods /cPhilip N. Lehner.  a2nd ed.  aNew York :bCambridge University Press,c1996.  aBibliografía: p. 617-663. 4aAnimales 4aComportamiento 4aTexto