Bullen, P. S., Denjoy's index and porosity, Real Anal. Exchange , 10 (1984/85), 85-144.
Collingwood, E. F., Lohwater, A. J., The Theory of Cluster Sets , Cambridge University Press, Cambridge, 1966.
Craciun, G., Most homeomorphisms with a fixed point have a Cantor set of fixed pointsArch. Math. (Basel) , 100
De Blasi, F. S., Myjak, J., Sur la convergence des approximations successives pour les contractions non lin\'{e aires dans un espaces Banach,\textit{ C. R. Acad. Sci. Paris , 283 (1976), 185--187.
De Blasi, F. S., Myjak, J., Sur la porosit\'{e de l'ensemble des contractions sans point fixe, C. R. Acad. Sci. Paris , 308 (1989), 51--54.
G{\l \k{a b, S., Strobin, F., Dichotomies for $L^p$ spaces, J. Math. Anal. Appl. , 368 (2010), 382--390.
G{\l \k{a b, S., Strobin, F., Dichotomies for $C_0(X)$ and $C_b(X)$ spaces, Czechoslovak Math. J. , 63 (2013), 91--105.
Gandini, P. M., Zucco, A., Porosity and typical properties of real-valued continuous functions, Abh. Math. Sem. Univ. Hamburg , 59 (1989), 15--21.
Gruber, P. M., Results of Baire category type in convexity , in Discrete geometry and convexity, New York, 1982.
Gruber, P. M., Convex and Discrete Geometry , Springer-Verlag, New York, 2007.
Kuczma, M., An Introduction to the Theory of Functional Equations and Inequalities , 2nd edn., Birkh\"{a user, New York, 2009.
Lindenstrauss, J., Preiss, D., Ti\v{s er, J., Fr\'{e chet Differentiability of Lipschitz Functions and Porous Sets in Banach Spaces , Princeton University Press, Princeton, 2012.
Matheron, E., Zelen\'{y , M., Descriptive set theory of families of small sets, Bull. Symbolic Logic , 13 (2007), 482--537.
Mera, M. E., Moran, M., Preiss, D., Zaj\'{i \v{c ek, L., Porosity, $\sigma$-porosity and measure, Nonlinearity , 16 (2003), 247--255.
Olevskii, V., A note on the Banach-Steinhaus theorem, Real Anal. Exchange , 17 (1991/92), 399--401.
Pelant, J., Zelen\'{y , M., The structure of the $\sigma$-ideals of $\sigma$-porous sets, Comment. Math. Univ. Carolin. , 45 (2004), 37--72.
Peng, L., Li, C., Porosity and fixed points of nonexpansive set-valued maps, Set-valued Var. Anal. , 22 (2014), 333--348.
Reich, S., Zaslavski, A. J., Genericity in Nonlinear Analysis , Springer-Verlag, New York, 1971.
Renfro, D. L., Some Supertypical Nowhere Differentiability Results for $C[0,1]$ , Ph.D. Thesis, NC State University, North Carolina, 1993.
Renfro, D. L., A Study of Porous and Sigma-porous Sets , CRC Press, New York, 2001.
Rmoutil, M., Products of non-$\sigma$-lower porous sets, Czechoslovak Math. J. , 63 (2013), 205--217.
Rmoutil, M., On the nonexistence of a relation between $\sigma$-left porosity and $\sigma$-right porosity, J. Math. Anal. Appl. , 411 (2014), 30--36.
Strobin, F., A comparison of two notions of porosity, Comment. Math. , 48 (2008), 209--219.
Zamfirescu, T., How many sets are porous? Proc. Amer. Math. Soc. , 100 (1987), 383--387.
Zaj\'{i \v{c ek, L., Porosity and $\sigma$-porosity, Real Anal. Exchange , 13 (1987/1988), 314--350.
Zaj\'{i \v{c ek, L., On $\sigma$-porous sets in abstract spaces, Abstr. Appl. Anal. , 5 (2005), 509--534.
Zaj\'{i \v{c ek, L., Zelen\'{y , M., On the complexity of some $\sigma$-ideals of $\sigma$-P-porous sets, Comment. Math. Univ. Carolin. , 44 (2003), 531--554.
Zelen\'{y , M., Descriptive properties of $\sigma$-porous sets, Real Anal. Exchange , 30 (2004/2005), 657--674.