@article {HSPeak1993,
	title = {Coherence peak and superconducting energy gap in ${\mathrm{Rb}_{3}$${\mathrm{C}_{60}$ observed by muon spin relaxation},
	journal = {Phys. Rev. Lett.},
	volume = {70},
	year = {1993},
	month = {Jun},
	pages = {3987{\textendash}3990},
	publisher = {American Physical Society},
	doi = {10.1103/PhysRevLett.70.3987},
	url = {http://link.aps.org/doi/10.1103/PhysRevLett.70.3987},
	author = {Kiefl, R. F. and MacFarlane, W. A. and Chow, K. H. and Dunsiger, S. and Duty, T. L. and Johnston, T. M. S. and Schneider, J. W. and Sonier, J. and Brard, L. and Strongin, R. M. and Fischer, J. E. and Smith, A. B.}
}
