Vanadium(III)-monophosphat VPOGerhard Ladwig; Karl-Heinz Jost; Klaus Schlesinger · 1979

Vanadium(III)-hydrogenmonophosphit V(H2PO3)3Klaus Schlesinger; Gerhard Ladwig · 1980

Vanadium(III)-cyclotriphosphat V(P3O9) [V(PO3)3 Form G]Klaus Schlesinger; Gerhard Ladwig; Ingrid Grunze · 1982