1981 Photomicrography Competition
![Small World](/images/SW50-logo.png)
![](https://www.nikonsmallworld.com/images/photos/1981/_photo800/1981_14.jpg)
14th Place
Ascorbic Acid - slow melt
Per H. Kjeldsen
- Affiliation
- University of Michigan
School of Dentistry
Ann Arbor, Michigan, USA
- Technique
- Polarized Light
- Magnifaction
- 40
14th Place
Ascorbic Acid - slow melt