1. A.A. Bolonkin, Earth Accelerator forSpace Ships and Missiles,JBIS, Vol.56, No.11/12,2003, pp.394-404.
2. A.A.Bolonkin,ElectrostaticLinearEngine andCableSpaceABLauncher, Paper AIAA-2006-5229 for 42 Joint Propulsion Conference,Secramento, USA, 9-12July, 2006.See alsoAEATVol.78,No.2006,pp.502-508.