William Howard Taft | John Howard | Howard Hughes | Howard Stern | Howard University | Ron Howard | Howard Dean | Howard Hawks | Howard Zinn | The Howard Stern Show | Robert E. Howard | P. T. Barnum | Howard Shore | Howard Carter | Howard | Howard Baker | Ringling Bros. and Barnum & Bailey Circus | Howard County, Maryland | Trevor Howard | Michael Howard | Clint Howard | Leslie Howard | Clark Howard | Russell Howard | Howard Barker | Ebenezer Howard | Oliver O. Howard | Leslie Howard (actor) | Howard Nemerov | Howard Gardner |
Noncommuting Mixed States Cannot Be Broadcast, H. Barnum, C. M. Caves, C. A. Fuchs, R. Jozsa and B. Schumacher, Phys. Rev. Lett. 76, 15, 2818--2821 (1996).