| PL 133B 380 |
Limit on the Solar Monopole Abundance |
| PR D27 1525 |
Measurement of the Magnetic Monopole Charge of the Moon |
| NAT 288 348 |
Grand Unification Magnetic Monopoles Inside the Earth |
| PR D19 1046 |
Observational Limits on the Magnetic Monopole Structure of Protons |
| PR D1 2245 |
Search for Magnetic Monopoles in the Moon |