1.

Technical Paper
Technical Paper
1. Associated distributions in the analysis of two-dimensional random walks
Cohen, J.W.
Pub. info.: NASA Technical Reports.  pp.1-21,  1989.  National Aeronautics and Space Adminstration
2.

Technical Paper
Technical Paper
2. On the random walk with zero drifts in the first quadrant of R2
Cohen, J.W.
Pub. info.: NASA Technical Reports.  pp.1-14,  1990.  National Aeronautics and Space Adminstration
3.

Technical Paper
Technical Paper
3. Zero drift random walk on N-N with reflection,Ergodicity conditions
Cohen, J.W.
Pub. info.: NASA Technical Reports.  pp.1-7,  1991.  National Aeronautics and Space Adminstration
4.

Technical Paper
Technical Paper
4. On the attained waiting time
Cohen, J.W.
Pub. info.: NASA Technical Reports.  pp.1-7,  1990.  National Aeronautics and Space Adminstration
5.

Technical Paper
Technical Paper
5. The M/G/1 queue with permanent customers
Boxma, O.J. ; Cohen, J.W.
Pub. info.: NASA Technical Reports.  pp.1-15,  1989.  National Aeronautics and Space Adminstration
6.

Technical Paper
Technical Paper
6. On a class of N-dimensional associated random walks and the hitting point identity
Cohen, J.W.
Pub. info.: NASA Technical Reports.  pp.1-37,  1989.  National Aeronautics and Space Adminstration