Geiger mode APD's for the underground cosmic ray experiment EMMA
L. Bezrukov, K. Butin, I. Davitashvili, I. Dzaparova, T. Enqvist, H. Fynbo, L. Golyshkin, Z. Guliev, L. Inzhechik, A. Izmaylov, J. Joutsenvaara, M. Khabibullin, A. Khotjantsev, Y. Kudenko, P. Kuusiniemi, B. Lubsandorzhiev, O. Mineev, V. Petkov, R. Poleshuk, T. Raiha, J. Sarkamo, B. Shaibonov, A. Shaykhiev, W. Trzaska, G. Volchenko, V. Volchenko, A. Yanin, N. Yershov, D. Zykov