The data in this directory is from the article listed below.
Please cite as follows:

@ARTICLE{ANS:avub,
AUTHOR = {A. Atamt{\"u}rk and and G. L. Nemhauser and M. W. P. Savelsbergh},
TITLE  = {Valid Inequalities for Problems with Additive Variable Upper Bounds},
JOURNAL= {Mathematical Programming},
VOLUME = {91},
PAGES  = {145-162},                 
YEAR = {2001}}