Streams with a Bottom in Functional Languages.

Hideki Tsuiki Keiji Sugihara Streams with a Bottom in Functional Languages. 201-216 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3444&spage=201 2005 conf/esop/2005 ESOP db/conf/esop/esop2005.html#TsuikiS05