@book{16087, author = {Binz, Ernst, and Pods, Sonja,}, title = {The geometry of Heisenberg groups :}, publisher = {American Mathematical Society,}, year = {c2008.}, series = {Mathematical surveys and monographs ;}, address = {Providence, Rhode Island :}, note = {Ver Colección AMS. Mathematical surveys and monographs. }, url = {http://www.loc.gov/catdir/toc/fy0903/2008030289.html} }