Deletion of Beavers and joseph condition

Comment: Per nom, also fails . It looks like it is an article about this (PDF warning): http://www.aem.umn.edu/people/faculty/joseph/archive/docs0/67_1.pdf It is a a paper published by two academics at the University of Minnesota in 1967 concerning "boundary conditions at a naturally permeable wall
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG)