- Author: Irmo Marini, Michael Millington, CLCP CRC DSc PhD Irmo Marini
- Language: English
- Year: 2014
- Author: Bellini James L., Rumrill Phillip D., Koch Lynn C.
- Language: English
- Year: 2001
- Author: Enrico Molinari Alida Labella (auth.)
- Language: Italian
- Year: 2007