Valence quark annihilation and leading charmed meson production in and K-N collisions T. Tashiro, H. Noda, K. Kinoshita and S. Nakariki Eur. Phys. J. C, 24 4 (2002) 573-580 Published online: 14 June 2002 DOI: 10.1007/s10052-002-0970-6