TY  - BOOK
AU  - Nordgren, Tyler
TI  - Stars above, earth below: a guide to astronomy in the National Parks
SN  - 978-1-4419-1648-8
PY  - 2010///
CY  - New York
PB  - Springer
KW  - Astronomy
KW  - Black holes
KW  - Stars
ER  -