1. A tutorial of integrating duality and branch and bound in earliness–tardiness scheduling with idle insertion time problems. Issue 1 (17th January 2018) Authors: Gorman, Michael F.; Conway, Daniel G. Journal: International journal of production research Issue: Volume 56:Issue 1/2(2018) Page Start: 262 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗