मूल लेख
General relativistic gravity machine utilizing electromagnetic field
Takaaki Musha, Mario J.Pinheiro
Takaaki Musha, Mario J.Pinheiro
S.M.Sadat Kiai, Mona Ghasemlou, S.H.Mahdian, A.Khalili
Luigi Maxmilian Caligiuri
Andrew Walcott Beckwith