Lightfoote ea 1986
Lightfoote M. M., J. E. Colligan, T. M. Folks, A. S. Fauci, M. A. Martin, V. Sundararajan, Structural Characterization of Reverse Transcriptase and Endonuclease Polypeptides of the Acquired Immunodeficiency Syndrome Retrovirus, J. Virol., 1986, 60, 771-775.