A guide to four essential themes
| Main Authors: | , , | 
|---|---|
| Corporate Authors: | , | 
| Format: | Book | 
| Language: | English | 
| Published: | Dayton, Ohio
          Charles F. Kettering Foundation
    
        [1979] | 
| Subjects: | 
| Main Authors: | , , | 
|---|---|
| Corporate Authors: | , | 
| Format: | Book | 
| Language: | English | 
| Published: | Dayton, Ohio
          Charles F. Kettering Foundation
    
        [1979] | 
| Subjects: |