TY  - BOOK
AU  - Sarafyan,Nubar
TI  - A -biotic development: diverse topics 
SN  - 918-9939-64-043-3
PY  - 2010///
CY  - Yerevan
PB  - Asoghik
KW  - Աստղագիտություն
KW  - Astrophysics
N1  - References p. 339-353
ER  -