T. Helvig

Ancient human genomes suggest three ancestral populations for present-day Europeans

Bonnie Berger, Swapan Mallick, Janet Kelso, 2013, Nature.

Ancient human genomes suggest three ancestral populations for present-day Europeans

B. Berger, M. Hammer, E. Eichler, 2013, Nature.

Applications of the Pseudoinverse to Modeling

T. Helvig, W. A. Harris, 1966 .

Marginal and conditional distributions of singular distributions

T. Helvig, W. A. Harris, 1965 .