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2. Stopping-power formular for magnetic monopoles;Ahlen;Phys. Rev.,1978
3. Calculation of the stopping power of very-low-velocity magnetic monopoles;Ahlen;Phys. Rev.,1982
4. Search for penetrating highly charged particles at mountain altitude;Barwick;Phys. Rev.,1983
5. A study of charged particle tracks in cellulose nitrate;Benton,1967