J. Ryan

Key information systems management issues : a comparative study in South Africa

M. Hart, S. Berkowitz, J. Ryan, 2004 .

Geological hazards and disasters in Newfoundland and Labrador

J. Ryan, M. Batterson, D. Liverman, 2001 .

An "Expert system" for fisheries management

J. Ryan, P. Smith, J. Ryan, 1985, OCEANS '85 - Ocean Engineering and the Environment.