Document Type
Article
Publication Date
1994
Publisher Statement
Permission has been granted by The Physics Teacher to supply this article [http://dx.doi.org/10.1119/1.2343900] for educational and research purposes. More info can be found at http://aapt.scitation.org/journal/pte. © 1994 American Association of Physics Teachers.
Repository Citation
W. Moebs and J. Sanny, The Physics Teacher 32, 54 (1994); doi: 10.1119/1.2343900