[1] B. Bongiorno: 
Essential variations. Springer Lecture Notes Math. 945 (1981), 187–193. 
MR 0675282 
[2] B. Bongiorno, L. Di Piazza, V. Skvortsov: 
A new full descriptive characterization of Denjoy-Perron integral. Real Anal. Exch. 21 (1995/96), 656–663. 
DOI 10.2307/44152676 | 
MR 1407278 
[5] Z. Buczolich, W. F. Pfeffer: 
When absolutely continuous implies $\sigma $-finite. Bull. Csi., Acad. Royale Belgique, serie 6 (1997), 155–160. 
MR 1625113 
[9] V. Ene: 
Thomson’s variational measure and nonabsolutely convergent integrals. Real Anal. Exch. 26 (2000/01), 35–50. 
MR 1825496 
[10] C.-A. Faure: 
A descriptive definition of the KH-Stieltjes integral. Real Anal. Exch. 23 (1997/98), 113–124. 
MR 1609775 
[11] P. Mattila: 
Geometry of sets and measures in Euclidean spaces. Cambridge University Press, 1995. 
MR 1333890 | 
Zbl 0819.28004 
[13] W. F. Pfeffer: 
On additive continuous functions of figures. Rend. Istit. Mat. Univ. Trieste, suppl. (1998), 115–133. 
MR 1696024 | 
Zbl 0921.26008 
[14] W. F. Pfeffer: 
The Lebesgue and Denjoy-Perron integrals from a descriptive point of view. Ricerche Mat. 48 (1999), 211–223. 
MR 1760817 | 
Zbl 0951.26005 
[16] S. Saks: 
Theory of the Integral. Dover, New York, 1964. 
MR 0167578 
[17] B. S. Thomson: 
Derivates of interval functions. Mem. Amer. Math. Soc., Providence 452 (1991). 
MR 1078198 | 
Zbl 0734.26003