@article {Thangam:2011:1745-7645:365,
	author = "Thangam, A. and Uthayakumar, R.",
	title = "Two-echelon trade credit financing in a supply chain with perishable items and two different payment methods",
	journal = "International Journal of Operational Research",
	volume = "11",
	number = "4",
	year = "2011",
	pages = "365-382",
	url = "http://www.ingentaconnect.com/content/ind/ijor/2011/00000011/00000004/art00001",
	doi = "doi:10.1504/IJOR.2011.041798"
}

@article {Balasubramanian:2011:1745-7645:383,
	author = "Balasubramanian, M. and Arumuganathan, R.",
	title = "Steady state analysis of a bulk arrival general bulk service queueing system with modified M-vacation policy and variant arrival rate",
	journal = "International Journal of Operational Research",
	volume = "11",
	number = "4",
	year = "2011",
	pages = "383-407",
	url = "http://www.ingentaconnect.com/content/ind/ijor/2011/00000011/00000004/art00002",
	doi = "doi:10.1504/IJOR.2011.041799"
}

@article {Paydar:2011:1745-7645:408,
	author = "Paydar, Mohammad Mahdi and Mahdavi, Iraj and Khonakdari, Samaneh Valipoor and Solimanpur, Maghsud",
	title = "Developing a mathematical model for cell formation in cellular manufacturing systems",
	journal = "International Journal of Operational Research",
	volume = "11",
	number = "4",
	year = "2011",
	pages = "408-424",
	url = "http://www.ingentaconnect.com/content/ind/ijor/2011/00000011/00000004/art00003",
	doi = "doi:10.1504/IJOR.2011.041800"
}

@article {Gupta:2011:1745-7645:425,
	author = "Gupta, Omprakash K. and Shah, Nita H. and Patel, Amisha R.",
	title = "An integrated deteriorating inventory model with permissible delay in payments and price-sensitive stock-dependent demand",
	journal = "International Journal of Operational Research",
	volume = "11",
	number = "4",
	year = "2011",
	pages = "425-442",
	url = "http://www.ingentaconnect.com/content/ind/ijor/2011/00000011/00000004/art00004",
	doi = "doi:10.1504/IJOR.2011.041801"
}

@article {Culik:2011:1745-7645:443,
	author = "Culik, Miroslav",
	title = "Flexibility and project value: interactions and multiple real options",
	journal = "International Journal of Operational Research",
	volume = "11",
	number = "4",
	year = "2011",
	pages = "443-462",
	url = "http://www.ingentaconnect.com/content/ind/ijor/2011/00000011/00000004/art00005",
	doi = "doi:10.1504/IJOR.2011.041802"
}