Winkler, K.-H. A.; Newman, M. J. (1980). «Formation of Solar-Type Stars in Spherical Symmetry: I. The Key Role of the Accretion Shock». Astrophysical Journal236: 201. doi:10.1086/157734. Bibcode: 1980ApJ...236..201W.
Stahler, S. W., Shu, F. H., and Taam, R. E. (1980). «The Evolution of Protostars: I. Global Formulation and Results». Astrophysical Journal241: 637. doi:10.1086/158377. Bibcode: 1980ApJ...241..637S.
Winkler, K.-H. A.; Newman, M. J. (1980). «Formation of Solar-Type Stars in Spherical Symmetry: I. The Key Role of the Accretion Shock». Astrophysical Journal236: 201. doi:10.1086/157734. Bibcode: 1980ApJ...236..201W.
Stahler, S. W., Shu, F. H., and Taam, R. E. (1980). «The Evolution of Protostars: I. Global Formulation and Results». Astrophysical Journal241: 637. doi:10.1086/158377. Bibcode: 1980ApJ...241..637S.