ENCODING has been replaced by BIBTEX_INPUT_ENCODING and OUTPUT_ENCODING
@incollection{c-ctgs-16, Author = {Colin~de Verdière, Éric}, Booktitle = {Handbook of Discrete and Computational Geometry}, Chapter = {25}, Date-Added = {2016-01-30 08:40:32 +0000}, Date-Modified = {2016-01-30 08:41:18 +0000}, Edition = {third}, Editor = {Goodman, Jacob~E. and O'Rourke, Joseph}, Note = {To appear}, Publisher = {CRC Press LLC}, Title = {Computational topology of graphs on surfaces}, Year = {2016}}