G Beckman

Y-chromosomal diversity in Europe is clinal and influenced primarily by geography, rather than by language.

R J Mitchell, S A Kravchenko, R. J. Mitchell, 2000, American journal of human genetics.

Geographical, linguistic, and cultural influences on genetic diversity: Y-chromosomal distribution in Northern European populations.

C. Tyler-Smith, M. Hurles, T. Zerjal, 2001, Molecular biology and evolution.

G-6-PD and PGM phenotypes of 16 continuous human tumor cell lines. Evidence against cross-contamination and contamination by HeLa cells.

J. Pontén, B. Westermark, G. Beckman, 1971, Human heredity.