Is there a p.d. "refer' program?

[Ted Campbell]

Does anyone know if there is a public-domain version of the BSD Unix 
"refer" program?  "refer" is an nroff preprocessor for bibliographical
references.  I have System V 2.00, and it is not included.  

Thanks.

-- 
|Ted A. Campbell                 |Duke Divinity School |
|                                |Durham, NC     27706 |
+--------------------------------+---------------------+
|Email:  ...!ecsgate!dukeac!numen!tcamp                |