by Callsen, H., Meinel, H.H., Hoefer, W.J.R.
Published in IEEE transactions on microwave theory and techniques (01.02.1989)

by Menzel, W., Callsen, H.
Published in IEEE transactions on microwave theory and techniques (01.02.1983)

by Callsen, W., Callsen, H.
Published in IEEE transactions on microwave theory and techniques (01.01.1985)

by Solbach, K., Callsen, H., Menzel, W.
Published in IEEE transactions on microwave theory and techniques (01.11.1981)

by Callsen, H
Published in IEEE transactions on microwave theory and techniques (01.02.1983)

by Callsen, H, Meinel, H H, Hoefer, W J R
Published in IEEE transactions on microwave theory and techniques (01.02.1989)

by CALLSEN H, RICHERT W
Year of Publication 31.12.1990

by MUUSS P, CALLSEN H
Year of Publication 31.12.1990

by GRAZER M. E.,BRADY F.,LUSIRA S. K.,CUTHBERTSON A.,CALLSEN H
Year of Publication 10.10.2007

by Mondon, A, Callsen, H
Published in Chemische Berichte (1975)

by Mondon, A, Callsen, H, Hartmann, P
Published in Chemische Berichte (1975)

by Mondon, A, Callsen, H, Hartmann, P, Cuno, G, Andersen, C.H
Published in Chemische Berichte (1975)

by CALLSEN; GEORG H, KINDLER; GEORGE U. P
Year of Publication 31.10.1989