Seasonal Feeding Agendas:
Poulsen, Else. 1994. Think Like a Bird: A Practical Guide to Enrichment. The Shape Of Enrichment 3:1.
Poulsen, Else. et. al. 1995. The Successful Treatment of a Chronic Stereotype in One Polar Bear (Ursus Maritimus) Using Enrichment Programming, Enclosure Redesign, and Medical Therapy. Proceedings of the Second International Conference Environment Enrichment 1995: 209-217.
Pouslen, Else. et. al. 1996. The use of fluoxetine for the treatment of stereotypical pacing behavior in a captive polar bear. Journal of the American Veterinary Medical Association 209: 8.
Poulsen, Else. 1997 Building a Polar Bear Den at the Calgary Zoo. The Shape Of Enrichment 6:3.
Poulsen, Else. 2000 Using Enrichment to Problem-Solve Stereotypies in Bears. The Shape Of Enrichment 9:3.
Pouslen, Else. 2006. Successful Captive Bear Introduction Working with a Bear's Expectations. Behavior and Environment Solutions.
Poulsen, Else. 2014 Environmental Enrichment in Behavior-based Bear Husbandry, Part 1: Principles. The Shape Of Enrichment 23:1.
Smiling Bears - A Zookeeper Explores the Behavior and Emotional Life of Bears. Else Poulsen, 2009. Greystone Publishing, pp 272.