Ossanna, J. F. "NROFF/TROFF User's Manual," Comp. Sci. Tech. Rep. 54, Bell Laboratories, Murray Hill, NJ (October 1976).
(1976)
Languages mentioned
NROFF
{1971} New ROFF
ROFF
{1971} UNIX RUNOFF
TROFF
{1974} Typesetter Runoff