| Author |
Number of entries |
| Lukas, Walter | 1 |
| Lunk, P. | 1 |
| Lunkwitz, Renate and Salzer, Reiner | 2 |
| Luquer, L. M. | 1 |
| MacLeod, I.D. and Wozniak, R. | 1 |
| MacNamara, E. E. and Usselman T. | 1 |
| Madgin, W. M. and Swales, D. A. | 1 |
| Madureira, M.C.V. and Begonha, A. | 1 |
| Magee, A. W. and Bull, P. A. and Goudie, A. S. | 1 |
| Maguregui, M. | 1 |
| Maguregui, M. and Knuutinen, U. and Castro, K. and Madariaga, J. M. | 1 |
| Maguregui, M. and Sarmiento, A. and MartÃnez-Arkarazo, I. and Angulo, M. and Castro, K. and Arana, G. and Etxebarria, N. and Madariaga, J. | 1 |
| Mainusch, Nils | 1 |
| Maitschke, Julia; Siedel, Heiner | 1 |
| Malin, Michael C. | 1 |
| Maliva, R. G. and Siever, R. | 1 |
| Maliva, Robert G. and Siever, Raymond | 1 |
| Mandarino, J. A. | 2 |
| Mangio, Regina and Simpson, Martha and Tokarz, Marek | 2 |
| Manikhin, V. I. and Kryukov, P. A. | 1 |
| Mankin, Charles J. | 1 |
| Marabelli, Maurizio and Rossi-Doria, Pada and Tabasso Laurenzi, Marisa | 1 |
| Marinkovic, Vinka | 1 |
| Marion, G. M. and Farren, R. E. | 1 |
| Marion, Giles M. and Farren, Ronald E. | 1 |
| Marliacy, P. and Solimando, R. and Bouroukba, M. and Schuffenecker, L. | 1 |
| Marschner, H. | 1 |
| Marschner, Hannelore | 3 |
| Marsh-Letts, Glennda Susan | 1 |
| Marten, Petra and Bretschneider, Anja and Lesnych, Natalja and Venzmer, Helmuth | 1 |
| Martin, C. | 1 |
| Martin, S. | 1 |
| Martinez, Sagrario and Puertas, Francisca and Accion, Fernando | 1 |
| Martini, I. P. | 1 |
| Maruyama, K. and Shimomura, T. and Hamada, H. | 1 |
| Maslehuddin, Mohammed and Saricimen, Huseyin and Al-Mana, Abdulaziz I. and Shamim, Mohammed | 1 |
| Massa, Sandro and Pieracci, A. | 1 |
| Massa, V. and Pizzigoni, G. and Chiavarini, M. | 1 |
| Massa, V., and Pizzigoni, G. and Chiavarini, M. | 1 |
| Massey, S. W. | 1 |
| Massey, SW. and Watt. J. and M., Kendall | 1 |
| Mastromei, G. and Biagiotti, L. and Daly, S. and Perito, B. and Tiano, P. | 1 |
| Mather, B. | 2 |
| Mather, Bryant | 6 |
| Matsukura, Y. and Kondo, M. and Takaya, Y. | 1 |
| Matsukura, Y. and Matsuoka, N. and Yano, N. | 1 |
| Matt, Michael | 1 |
| Matteini, M. and Fratini, F. and Rescic, S. | 1 |
| Matteini, M. and Giovannoni, S. | 2 |
| Matteini, M. and Moles, A. | 2 |