1
Academic Journal
Authors: Cohen, L., Svensson, H.
Superior Title: Acta Radiologica. Oncology, Radiation, Physics & Biology; 1978, Vol. 17 Issue 2, p161-166, 6p
2
Academic Journal
Authors: Krylov, N. V.
Superior Title: Communications in Partial Differential Equations; Jan1992, Vol. 17 Issue 11/12, p405-443, 39p