TY  - BOOK
AU  - Hansen Vagn Lundsgaard
TI  - Shadows of the Circle: from Conic Sections to Planetary Motion Second Edition
SN  - 9789811260964
PB  - World Scientific
KW  - Mathematics
UR  - https://www.worldscientific.com/worldscibooks/10.1142/12981#t=toc
ER  -