Item from Mathematical Reviews (American Mathematical Society)--access their stable url through the AMS database via an institutional library:

MR2195270 (2006k:91213) McBride, Michael Imperfect monitoring in communication networks. J. Econom. Theory 126 (2006), no. 1, 97--119. (Reviewer: Sandra L. Arlinghaus) 91D30 (90B18 91A10)