TY  - BOOK
AU  - Van Brummelen, Glen.,
TI  - Heavenly mathematics : the forgotten art of spherical trigonometry 
SN  - 9780691148922
U1  - 516.24 VAN 
PY  - 2013///
CY  - Princeton
PB  - Princeton University Press.
KW  - Analysis
KW  - Spherical trigonometry
KW  - Trigonometry
KW  - Mathematics
N1  - Includes bibliographical references and index
ER  -