@article {Diamandis:1989ux,
	title = {{LOCAL SUPERSYMMETRY AND SUPERCONFORMAL ALGEBRA IN TWO-DIMENSIONS AND STRINGS IN BACKGROUND FIELDS}},
	journal = {Phys. Lett. B},
	volume = {227},
	year = {1989},
	pages = {81{\textendash}86},
	doi = {10.1016/0370-2693(89)91287-2},
	author = {Diamandis, G. A. and Georgalas, B. C. and Lahanas, A.B. and Papadopoulos, C.G.}
}
