Chen, Bo, Potts, Chris N. and Strusevich, Vitaly A. (1998) Approximation algorithms for two-machine flow shop scheduling with batch setup times. Mathematical Programming, 82 (1-2). pp. 255-271. ISSN 0025-5610 (Print), 1436-4646 (Online) (doi:https://doi.org/10.1007/BF01585875)

Chen, Bo, Glass, Celia A., Potts, Chris N. and Strusevich, Vitaly A. (1996) A new heuristic for three-machine flow shop scheduling. Operations Research, 44 (6). pp. 891-898. ISSN 0030-364X (Print), 1526-5463 (Online) (doi:https://doi.org/10.1287/opre.44.6.891)