Connections
spheroid
Entity
geometry
Entity
International Standard Book Number
Entity
sphere
Entity
digital object identifier
Entity
conic section
Entity
bibcode
Entity
eccentricity
Entity
Q57145
Entity
geometrical optics
Entity
hyperboloid
Entity
paraboloid
Entity
coordinate origin
Entity
Q22908627
Entity
paraxial approximation
Entity
McGraw-Hill Education
Company
radius of curvature
Entity