@misc{compref623,
   author = {Seeley,D and Ronald,S},
   year = {1992},
   title = {The Emergence of Connectivity and Fractal Time in the Evolution of Random Digraphs},
   howpublished = {Complex Systems 92, Australia National University, 1992.  Available by <a href="ftp://life.anu.edu.au/Pub/complex{Isystems/anu92/papers/seeley.ps">ftp</a>}}
}