APA Citation

Jeckelmann, B., Goudsmit, P., & Leisi, H. (1994). The mass of the negative pion. Institute for Particle Physics, ETH Zürich.

MLA Citation

Jeckelmann, B., P.F.A Goudsmit, and H.J Leisi. The Mass of the Negative Pion. Institute for Particle Physics, ETH Zürich, 1994.

Warning: These citations may not always be 100% accurate.