"This module is a wrapper for the Google Web APIs. It allows you to do Google searches, retrieve pages from the Google cache, and ask Google for spelling suggestions."
P. Desikan, N. Pathak, J. Srivastava, and V. Kumar. ICWE '06: Proceedings of the 6th international conference on Web engineering, page 233--240. New York, NY, USA, ACM Press, (July 2006)