@article{Authenticus:P-002-8QF,
title = {{Geometric Orbits}},
author = {M Carvalho and M Hager},
doi = {10.1007/s00283-012-9287-y},
journal = {Mathematical Intelligencer},
number = {2},
pages = {56-62},
publisher = {Springer},
type = {Article},
volume = {34},
year = {2012}
}