@conference{122421, author = {F Levi and A Godone and Luca Lorini and Steven Jefferts and Thomas Heavner and C Calosso}, title = {The Multiple Velocity Fountain: A New Scheme for the Cold Collision Frequency Shift Reduction}, year = {2001}, month = {2001-01-01}, publisher = {6^uth^ Symposium on Frequency Standards and Metrology , St. Andrews, SC}, language = {en}, }