(2004). In memory of Vernon Willard Hughes: Proceedings of the Memorial Symposium in Honor of Vernon Willard Hughes, Yale University, USA, 14-15 November 2003. Hackensack, NJ: World Scientific.

In Memory of Vernon Willard Hughes: Proceedings of the Memorial Symposium in Honor of Vernon Willard Hughes, Yale University, USA, 14-15 November 2003. Hackensack, NJ: World Scientific, 2004.

In Memory of Vernon Willard Hughes: Proceedings of the Memorial Symposium in Honor of Vernon Willard Hughes, Yale University, USA, 14-15 November 2003. Hackensack, NJ: World Scientific, 2004.