Total number of photos: 25462

Details for Boyan Penkov

Boyan Penkov, Ivor Owen Grattan-Guinness, Christoph J. Scriba, Martin Barner, Eberhard Knobloch

- B. Penkov
- I. O. Grattan-Guinness
- C. J. Scriba
- M. Barner
- E. Knobloch
- (1988)

Boyan Penkov

- B. Penkov
- (1988)

For more detailed information please click on the photo.