SIEV, M, R Weinberg, S Penman. The selective interruption of nucleolar RNA synthesis in HeLa cells by cordycepin. The Journal of Cell Biology. 1969-05, roč. 41, čís. 2, s. 510–20. Dostupné online [cit. 2009-02-18]. ISSN0021-9525.
worldcat.org
SIEV, M, R Weinberg, S Penman. The selective interruption of nucleolar RNA synthesis in HeLa cells by cordycepin. The Journal of Cell Biology. 1969-05, roč. 41, čís. 2, s. 510–20. Dostupné online [cit. 2009-02-18]. ISSN0021-9525.