by Lorenzón, R.E., Beltzer, A.H., Peltzer, P.M., Olguin, P.F., León, E.J., Sovrano, L., Ronchi‐Virgolini, A.L.
Published in River research and applications (01.11.2017)

by Del Barco, O.D., Beltzer, A.H.
Published in FAVE Sección Ciencias veterinarias (10.02.2005)

by Patterer, A.N., Beltzer, A.H., Rossetti, M.A.
Published in FAVE Sección Ciencias veterinarias (10.02.2005)

by Alessio, V., Beltzer, A.H., Diaz, H.F.
Published in FAVE Sección Ciencias veterinarias (10.02.2008)

by Beltzer, A.H, Ordano, M
Published in Revista Ceres (01.05.2001)

by Rossetti, M.A., Alessio, V., Beltzer, A.H., Díaz, H.F.
Published in FAVE Sección Ciencias veterinarias (10.02.2005)

by Montaner, A.R. de, Beltzer, A.H, De Carlo, E.B, Mosso, E.D
Published in Revista Ceres (01.01.1997)

by Mosso, E.D, Montaner, A.T.R. de, Beltzer, A.H, De Carlo, E.B
Published in Revista Ceres (01.03.1994)

by Beltzer A.H, Oliveros O.B
Published in Ecologia (1981)

by Beltzer, A.H. (Consejo Nacional de Investigaciones Cientificas y Tecnicas, Bs. As. (Argentina)), Oliveros, O.B
Published in Ecologia (Argentina) (01.12.1981)