- Author: David R. Koepsell
- Language: English
- Year: 2003
- Author: Kevin S. Decker David R. Koepsell Robert Arp (eds.)
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- Year: 2017
- Author: David R. Koepsell Robert Arp
- Language: Portuguese
- Year: 2012
- Author: David R. Koepsell Robert Arp
- Language: English
- Year: 2012
- Author: David R. Koepsell Robert Arp
- Language: English
- Year: 2012