Exp Brain Res, Vol. 140, No. 4. (2001), 511-8.
J Comp Physiol [A], Vol. 183, No. 5. (1998), 621-33.
Behav Genet, Vol. 14, No. 5. (1984), 527-57.
Nature, Vol. 398, No. 6729. (1999), 704-8.
Nature, Vol. 398, No. 6729. (1999), 704-8.
Science, Vol. 305, No. 5686. (2004), 1020-1022.
J Exp Psychol Anim Behav Process, Vol. 17, No. 2. (1991), 163-73.
Behav Brain Res, Vol. 161, No. 1. (2005), 8-17.
Psychol. Rev. (1962), 202-19.
Behav. Anal., Vol. 25, No. 2. (2002), 175-190.
Behav Neurosci, Vol. 112, No. 4. (1998), 942-51.
Neuropharmacology, Vol. 37, No. 4-5. (1998), 421-9..
Psychol Rev, Vol. 105, No. 1. (1998), 3-32.
Behav Neurosci, Vol. 111, No. 2. (1997), 235-57; appendix 258.
Curr Opin Neurobiol, Vol. 8, No. 2. (1998), 211-7.
Curr Opin Neurobiol, Vol. 13, No. 2. (2003), 182-6.
J Exp Psychol Anim Behav Process, Vol. 11, No. 3. (1985), 356-66.
J Exp Psychol Anim Behav Process, Vol. 6, No. 4. (1980), 339-51.
Q J Exp Psychol B, Vol. 56, No. 2. (2003), 161-76.
J Exp Psychol Anim Behav Process, Vol. 20, No. 1. (1994), 44-50.
J Exp Psychol Anim Behav Process, Vol. 16, No. 3. (1990), 262-70.
J Exp Psychol Anim Behav Process, Vol. 16, No. 4. (1990), 326-34.
Nature, Vol. 437, No. 7057. (2005), 412-6.
Am Psychol, Vol. 59, No. 9. (2004), 891-906.
Learning and Memory, Vol. 11, No. 3. (2004), 288-93.
J Comp Physiol A Neuroethol Sens Neural Behav Physiol, Vol. 188, No. 4. (2002), 295-9.
J Exp Biol, Vol. 203, No. Pt 17. (2000), 2581-8.
Biol Psychol. (1991), 209-10.
J Neurobiol, Vol. 53, No. 3. (2002), 343-60.
Biol Psychol. (1991), 205-7.
Biol Psychol, Vol. 59, No. 2. (2002), 163-8.
Chem Senses, Vol. 24, No. 4. (1999), 429-38.
Psychophysiology, Vol. 39, No. 5. (2002), 650-6.
Biological Psychology, Vol. 32, No. 2-3. (1991), 193-200.
Eur J Neurosci, Vol. 21, No. 2. (2005), 477-85.
Behav Brain Res, Vol. 145, No. 1-2. (2003), 135-43.
Neurosci Behav Physiol, Vol. 24, No. 1. (1994), 77-87.
J Exp Psychol Anim Behav Process, Vol. 23, No. 1. (1997), 95-109.
J. Exp. Psychol. Anim. Behav. Process, Vol. 17, No. 3. (1991), 231-48.
J Comp Physiol A Neuroethol Sens Neural Behav Physiol, Vol. 188, No. 7. (2002), 503-12.
Behav Neurosci, Vol. 112, No. 3. (1998), 636-45.
Nature, Vol. 410, No. 6831. (2001), 930-3.
Behav Brain Res, Vol. 145, No. 1-2. (2003), 161-9.
Naturwissenschaften, Vol. 91, No. 5. (2004), 228-31.
Psychol Rev, Vol. 108, No. 1. (2001), 33-56.
J Comp Physiol [A], Vol. 166, No. 1. (1989), 57-64.
J Comp Physiol [A], Vol. 157, No. 6. (1985), 771-8.
Neurosci Lett, Vol. 192, No. 2. (1995), 117-20.
Neurosci Lett, Vol. 253, No. 2. (1998), 87-90.