Report of the Workshop on the Scientific Aspects of Managing Whale Watching : Montecastello di Vibio, Italy, 30th Marh-4th April 1995.
International Fund for Animal Welfare.
Tethy's Research Institute.
Europe Conservation.
Workshop on the Scientific Aspects of Managing Whale Watching(1995 :Montecastello di Vibio, Italy)
Crowborough : IFAW,
1996.