Helgason, G. V. : Migrations and Dispersal of Marine Organisms [electronic resource] : Proceedings of the 37th European Marine Biology Symposium held in Reykjav⩫, Iceland, 5-9 August 2002 / edited by M.B. Jones, A. Ing⯬fsson, E. ⏬afsson, G.V. Helgason, K. Gunnarsson, J. Svavarsson.
Helgason, Richard V. : Interfaces in Computer Science and Operations Research [electronic resource] : Advances in Metaheuristics, Optimization, and Stochastic Modeling Technologies / edited by Richard S. Barr, Richard V. Helgason, Jeffery L. Kennington.
Helgason, T. (T⯭as) : Depressive illness [electronic resource] : prediction of course and outcome / edited by T. Helgason and R.J. Daly in collaboration with other members of the EMRC Study Group on Mental Illness Research, E.E. Anttinen ... [et al.] ; with a foreword by H. Danielsson.
Helgason, Vignir, : Latest development in therapy-related autophagy research [electronic resource] / Vignir Helgason.
Helgeson, Donald V. : Handbook for writing technical proposals that win contracts / Donald V. Helgeson.
Helgeson, Edward, : ICSID Reports : Reports of Cases Decided under the Convention on the Settlement of Investment Disputes between States and Nationals of Other States, 1965 Volume 5 / Edited by Edward Helgeson, Elihu Lauterpacht.