TY  - BOOK
AU  - Palen, Stacy
AU  - Kay, Laura 
AU  - Blumenthal, George
TI  - Understanding our universe
SN  - 9780393631715
U1  - 520 P174u3 
PY  - 2018///
CY  - New York
PB  - W. W. Norton & Company, Inc.
KW  - Astronomy
ER  -