TY  - BOOK
AU  - Chilingarian,A.A.
AU  - Zazian,G.Z.
ED  - Yerevan physics institute.
TI  - A Classification Method of Determination of the Mass Composition of Primary Cosmic Rays in the Energy Range Е(0)>10(15)eV
T2  - Preprint YERPHI-1210(57)-89
PY  - 1989///
CY  - Ереван
PB  - ЦНИИатоминформ
KW  - Physics
ER  -