@article{MET_1968__13_175371,
     author = {R. Natarajan},
     title = {Long-Run {Availability} of {Paralleled} {Systems}},
     journal = {Metrika},
     pages = {104--122},
     publisher = {mathdoc},
     volume = {13},
     year = {1968},
     zbl = {0162.22401},
     url = {http://geodesic.mathdoc.fr/item/MET_1968__13_175371/}
}