TY  - BOOK
AU  - Krauskope,Konrad, Beiser,   Arthur.
AU  - x
TI  - The  physical   universe: x
SN  - x 
U1  - 523.1/KRP 
PY  - 1960///
CY  - N , Y
PB  - McGraw- Hill
KW  - Universe
ER  -