Railway Track Stiffness Dynamic Measurements and Evaluation for Efficient Maintenance by Eric Berggren Doctoral Thesis TRITA AVE 2009:17 ISSN 1651-7660 ISBN 978-91-7415-293-7…
Railway Track Stiffness Dynamic Measurements and Evaluation for Efficient Maintenance by Eric Berggren Doctoral Thesis TRITA AVE 2009:17 ISSN 1651-7660 ISBN 978-91-7415-293-7…
Observations of Charge Sign Dependence in Solar Modulation John Clem and Paul Evenson GSFC Collaborators: Louis Barbier John Krizmanic University of Delaware 17-Aug-05 Source…