1. L.P. Yur'eva, in “Metody elementoorganicheskoi khimii, π-kompleksy perekhodnykh metallov 5 dienami, arenami, soedineniya s σ-svyaz'yu M-C”, Nauka Publ., Moscow, 1976, Ch. 4.
2. Preparation and decarbonylation of acyl derivatives of cyclopentadienyl metal carbonyls
3. A.N. Nesmeyanov, L.G. Makarova, V.N. Vinogradova and N.A. Ustynyuk, Izv. Akad. Nauk SSSR Ser. Khim., in press.