TY  - BOOK
AU  - Williamson Mervin
TI  - An Introduction to Astrophysics
SN  - 9781635490343
U1  - 523.01 WIL 
PY  - 2017///
CY  - New York
PB  - Larsen and Keller
KW  - astrophysics
KW  - Introduction
KW  - mervin
KW  - williamson
ER  -