Design of plywood gusset

[Lion06]

I posted this in the "Structural Engineering Other Topics" forum also, but then thought this might be a better place for it. Please excuse the cross post.
Does anyone know of a publication or any papers that give guidance on the design of a plywood gusset plate?

 

[boo1]

A truss plan link using plywood gussets is:

http://www.public.iastate.edu/~mwps_dis/mwps_web/tr_plans.html