1. Ingram, W.T.: Inverse limits with upper semi-continuous bonding functions: problems and partial solutions. Topol. Proc. 36, 353–373 (2010)
2. Ingram, W.T.: An Introduction to Inverse Limits with Set-Valued Functions. Springer Briefs. Springer, New York (2012). http://dx.doi.org/10.1007/978-1-4614-4487-9
3. Ingram, W.T.: Concerning chainability of inverse limits on $$[0,1]$$ [ 0 , 1 ] with set-valued functions. Topol. Proc. 42, 327–340 (2013)
4. Ingram, W.T.: Concerning dimension and tree-likeness of inverse limits with set-valued functions. Houst. J. Math. 40(2), 621–631 (2014)
5. Ingram, W.T., Mahavier, W.S.: Inverse limits of upper semi-continuous set valued functions. Houst. J. Math. 32, 225–231 (2006)