Pulsar wind nebulae around the southern pulsars PSR B1643-43 and PSR B1706-44

por Giacani, E.B., Frail, D.A., Goss, W.M., Vieytes, M.

New radio and optical study of the supernova remnant W44

por Giacani, E.B., Dubner, G.M., Kassim, N.E., Frail, D.A., Goss, W.M., Winkler, P.F., Williams, B.F.