@article{10_1017_S0017089506003260,
     author = {\"OZCAN, A. \c{C}. and HARMANCI, A. and SMITH, P. F.},
     title = {DUO {MODULES}},
     journal = {Glasgow mathematical journal},
     pages = {533--545},
     year = {2006},
     volume = {48},
     number = {3},
     doi = {10.1017/S0017089506003260},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089506003260/}
}