- Author: Panayotov Strahil V., Vacín Luděk
- Language: English
- Year: 2018
- Author: Geller Markham J
- Language: English
- Year: 2015
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- Language: English
- Year: 2015
- Author: John Z Wee
- Language: English
- Year: 2017
- Author: Geller Markham J.
- Language: English
- Year: 2014
- Author: Scurlock Jo Ann
- Language: English
- Year: 2014