by Sears, P.M., Smith, B.S., Stewart, W.K., Gonzalez, R.N., Rubino, S.D., Gusik, S.A., Kulisek, E.S., Projan, S.J., Blackburn, P.
Published in Journal of dairy science (01.11.1992)

by Rubino, S.D., Nyunoya, H., Lusty, C.J.
Published in The Journal of biological chemistry (25.03.1987)