- Author: Kenneth Gregory Todar
- Language: English
- Year: 2023
- Author: Dr. Marius Stoka Eugen Mărgăritescu
- Language: Romanian
- Year: 1975
- Author: Valeriu Suciu Niculae F. Negruţiu
- Language: Romanian
- Year: 1916
- Author: Eugen Rusu Abraham Hollinger
- Language: Romanian
- Year: 1974
- Author: Eric J Mash David A Wolfe Katherine Nguyen Williams
- Language: English
- Year: 2023
- Author: Ronald B. Standler
- Language: English
- Year: 1989
- Author: Bob Garet Gerald Hough
- Language: English
- Year: 2021
- Author: Yoshiko Nozaki, Roger Openshaw, Allan Luke
- Language: English
- Year: 2005
- Author: Cezar Coșniță Gheorghe D. SImionesccu
- Language: Romanian
- Year: 1963
- Author: Jiří Hošna Josef Tříška
- Language: Czech
- Year: 1990