TY  - BOOK
AU  - Sarafyan,Nubar
TI  - A -biotic development: Diverse topics 
SN  - 978-99941-73-5
PY  - 2007///
CY  - Yerevan
PB  - Asoghik
KW  - Science
N1  - Bibligraphy : 376-395
ER  -