@article {Zwiebach:2 December 1996:0550-3213:507,
	author = "Zwiebach B.",
	title = "New moduli spaces from string background independence consistency conditions",
	journal = "Nuclear Physics B",
	volume = "480",
	year = "2 December 1996",
	abstract = "",
	pages = "507-540(34)",
	url = "http://www.ingentaconnect.com/content/els/05503213/1996/00000480/00000003/art00501"
	doi = "doi:10.1016/S0550-3213(96)00501-9"
}