- Author: Donald L. Kreider Robert G. Kuller Donald R. Ostberg
- Language: English
- Year: 1968
- Author: Donald L. Kreider Robert G. Kuller Donald R. Ostberg Fred W. Perkins
- Language: English
- Year: 1996
- Author: Donald L. Kreider Robert G. Kuller Donald R. Ostberg Fred W. Perkins Lynn H. LOoomis
- Language: English
- Year: 1966