The Free On-line Dictionary of Computing (30 December 2018):
SPITBOL SPeedy ImplemenTation of snoBOL. "Macro SPITBOL - A SNOBOL4 Compiler", R.B.K. Dewar et al, Soft Prac & Exp 7:95-113, 1971. Current versions: SPITBOL-68000, Sparc SPITBOL from Catspaw Inc, (719)539-3884.