@misc{misc, title  = {{Narrow muon bundles from muon pair production in rock}},

 url = {{}},

 year = {{1999}},

 month = {{11}},

 author = {{Kudryavtsev VA and Korolkova EV and Spooner NJC}},

 doi = {{10.48550/arxiv.hep-ph/9911493}},

 note = {{Accessed on 2024/09/20}}}