Conference Paper
Markiewicz, W. J.; Völk, H. J.: Pre-planetary disks and planet formation. In: Formation and Evolution of Low Mass Stars, Proceedings of a NATO Advanced Study Institute, September 21 - October 2 1987, Viana do Castelo, Portugal, p. 181 (Eds. Dupree, A. K.; Lago, M. T. V. T.). Kluwer (1988)