Erratum

Correction to Lim et al. (2008). On page 770 in the acknowledgments section of the article Operations Research, 2008, Vol. 56, No. 3, ”Transportation Procurement with Seasonally Varying Shipper Demand and Volume Guarantees” by Andrew Lim, Brian Rodrigues and Zhou Xu, pp. 758–771, the last two sentences were corrected to read as follows: ``This research was supported in part by grants 4-ZZ9Q and J-BB7C from The Hong Kong Polytechnic University. Zhou Xu is corresponding author of this paper.''