TY  - GEN
AU  - Gallaway, Mark
TI  - An introduction to observational astrophysics
T2  - Undergraduate Lecture Notes in Physics
SN  - 978-3-030-43550-9
PY  - 2020///
CY  - Switzerland
PB  - Springer Nature
KW  - Astrophysics
KW  - Astronomy
ER  -