TY  - BOOK
AU  - Snow,Theodore P.
AU  - Brownsberger,Kenneth R.
TI  - Universe: origins and evolution 
SN  - 0314098380 (soft : alk. paper)
U1  - 520 20
PY  - 1997///
CY  - Belmont, CA
PB  - Wadsworth pub. co.
KW  - Աստղագիտություն
N1  - Includes bibliographical references and index
ER  -