%A International School of Cosmology and Gravitation %A De Sabbata, Venzo %A Schmutzer, Ernst %A Ettore Majorana International Centre for Scientific Culture %T Unified field theories of more than 4 dimensions : including exact solutions %I "Ettore Majorana" International Centre for Scientific Culture,World Scientific %D 1983 %U https://ci.nii.ac.jp/ncid/BA04558654