@incollection{154712-gr93,
	author={E. R. Gansner,  John H. Reppy},
	booktitle={User Interface Software},
	editor={L. Bass and P. Dewan},
	pages={61--80},
	publisher={John Wiley},
	title={A Multi-threaded Higher-order User Interface Toolkit},
	year=1993,
}