[1]Agrawal,S.P.;Sharma,B.;Aruna[ActaCienciaIndica,1974,vol.1,p.7-12][C.A.,1975,vol.82,p.179823][GmelinHandbuchderAnorganischenChemie,GmelinHandbook:Sc:MVol.D5,1.4.24,page301-302]
[1]Agrawal,S.P.;Sharma,B.;Aruna[ActaCienciaIndica,1974,vol.1,p.7-12][C.A.,1975,vol.82,p.179823][GmelinHandbuchderAnorganischenChemie,GmelinHandbook:Sc:MVol.D5,1.4.24,page301-302]
[1]Agrawal,S.P.;Sharma,B.;Aruna[ActaCienciaIndica,1974,vol.1,p.7-12][C.A.,1975,vol.82,p.179823][GmelinHandbuchderAnorganischenChemie,GmelinHandbook:Sc:MVol.D5,1.4.24,page301-302]
[1]Agrawal,S.P.;Sharma,B.;Aruna[ActaCienciaIndica,1974,vol.1,p.7-12][C.A.,1975,vol.82,p.179823][GmelinHandbuchderAnorganischenChemie,GmelinHandbook:Sc:MVol.D5,1.4.24,page301-302]
[1]Agrawal,S.P.;Sharma,B.;Aruna[ActaCienciaIndica,1974,vol.1,p.7-12][C.A.,1975,vol.82,p.179823][GmelinHandbuchderAnorganischenChemie,GmelinHandbook:Sc:MVol.D5,1.4.24,page301-302]