@article {1993,
	title = {Workshop on point interactions, Trieste, 21-23 December 1992},
	number = {SISSA;8/93/ILAS/MS},
	year = {1993},
	publisher = {SISSA Library},
	url = {http://hdl.handle.net/1963/71},
	author = {Gianfausto Dell{\textquoteright}Antonio}
}
