@inproceedings{Zalesky2009Engset,<br>
&nbsp;&nbsp;&nbsp; author = {A. Zalesky and E. W. M. Wong and M. Zukerman and H. 
L. Vu},<br>
&nbsp;&nbsp;&nbsp; title = {Engset formula for bufferless {OBS}/{OCS}: when is 
and when isn't lengthening the off-time redundant?},<br>
&nbsp;&nbsp;&nbsp; booktitle = {Proc. IEEE GLOBECOM '09},<br>
&nbsp;&nbsp;&nbsp; address = {Honolulu, Hawaii, USA},<br>
&nbsp;&nbsp;&nbsp; month = {Nov.},<br>
&nbsp;&nbsp;&nbsp; year = {2009},<br>
&nbsp;&nbsp;&nbsp; volume = {},<br>
&nbsp;&nbsp;&nbsp; number = {},<br>
&nbsp;&nbsp;&nbsp; pages = {},<br>
&nbsp;&nbsp;&nbsp; note = {}<br>
}