Zhou, Monson, Teng, Schulz, and Zakian. (2000) 2000. “Pif1p Helicase, a Catalytic Inhibitor of Telomerase in Yeast.”. Science 289 (5480): 771-4. Reference Link
Qi, and Zakian. (2000) 2000. “The Saccharomyces Telomere-Binding Protein Cdc13p Interacts With Both the Catalytic Subunit of DNA Polymerase Alpha and the Telomerase-Associated Est1 Protein.”. Genes Dev 14 (14): 1777-88. Reference Link