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Green R.W., Bolognesi D.P., Schafer W., Pister L., Hunsmann G., de Noronha F.
Polypeptides of mammalian oncornaviruses. I. Isolation and serological analysis polypeptides from murine and feline C-type viruses.
Virology 56:565-579(1973)

PubMed=4371954
Luftig R.B., McMillan P.N., Bolognesi D.P.
An ultrastructural study of C-type virion assembly in mouse cells.
Cancer Res. 34:3303-3310(1974)

PubMed=130004; DOI=10.1515/znc-1975-9-1031
Seifert E., Claviez M., Frank H., Hunsmann G., Schwarz H., Schafer W.
Production of substantial amounts of Friend leukemia virus by a suspension tissue culture line (Eveline suspension cells).
Z. Naturforsch. C. Biosci. 30:698-700(1975)

PubMed=54978; DOI=10.1016/0042-6822(76)90203-8
Hunsmann G., Claviez M., Moennig V., Schwarz H., Schafer W.
Properties of mouse leukemia viruses. X. Occurrence of viral structural antigens on the cell surface as revealed by a cytotoxicity test.
Virology 69:157-168(1976)

PubMed=64623; DOI=10.1128/JVI.21.1.113-118.1977; PMCID=PMC353796
Collins J.J., Bolio L.D., Denny T.P., Bolognesi D.P.
Interspecies determinants of Friend leukemia virus antigens involved in cytolysis of virus-producing cells.
J. Virol. 21:113-118(1977)