BILA, A.D. - LINDGREN, Dag - MULLIN, Timothy John. Fertility variation and its effect on diversity over generations in teak plantation (Tectona grandis L.f.). In Silvae genetica. - J.D.Sauerländer's Verlag : Frankfurt am Main. ISSN 0037-5349, 1999, jg. 48, hf. 3-4, s. 109-114.