Dremin I.M. ,     Yakovlev V.I. ,     Golubnichy P.I. ,     Efimenko L.A. ,     Savchenko R.T. ,     Madigozhin D.T. ,     Saakjan V.A. ,     Serdukov A.D. Tien-Shan effect and charmed particles. II-19331 19th Intern.cosmic ray conf. La Jolla, USA, Aug.11-23, 1985.Conf.papers , Vol.8 , с. P.314-317 , 01.1985