In Energy Source, Part A, 2006, 28(7):643–656, please note the following updated information that was inadvertently omitted by the author.
Sources for Tables 1, 2, and 3, and Figure 2: Coal analyses data and sample including proximate and petrographic results used in this study (Tables 1, 2, 3, and Figure 2) were taken from Varol (1999).
Please also note the following additional reference citation: TUBITAK Project YDABCAG-520 (2000). Chemistry, Petrography and Geochemistry of Analcime-Bearing Koyunagili Lignite, Mihaltccik-Eskisehir. A. I. Karayigit (coordinator) and N. O. Varol (researcher).
The author sincerely regrets these omissions.