TY  - GEN
AU  - Krauskopf, KB
AU  - Beiser, Arthur
TI  - The physical universe
SN  - 007035460x
U1  - 500.2 
PY  - 1979///
CY  - N.Y.
PB  - MacGraw Hill
KW  - Science
KW  - Motion
UR  - https://www.amazon.com/Physical-Universe-Konrad-Beiser-Krauskopf/dp/007035460X/ref=sr_1_1?s=books&ie=UTF8&qid=1489478149&sr=1-1&keywords=007035460x#reader_007035460X
ER  -