@booklet { Cata-97,
	title = {WAG: Web At a Glance},
	year = {1997},
	publisher = {Dipartimento di Informatica e Sistemistica, Universit{\`a} {\textquoteleft}{\textquoteleft}La Sapienza{\textquoteleft}{\textquoteleft} di Roma},
	author = {T. Catarci and S. K. Chang and D. Nardi and G. Santucci}
}
