@article{JLT_1998_8_1_a0, author = {H. Helling and A. C. Kim and J. L. Mennicke}, title = {A {Geometric} {Study} of {Fibonacci} {Groups}}, journal = {Journal of Lie theory}, pages = {001--024}, publisher = {mathdoc}, volume = {8}, number = {1}, year = {1998}, url = {http://geodesic.mathdoc.fr/item/JLT_1998_8_1_a0/} }