Авторы
Velleman Richard Mayer E. Richard Hall E. Rebecca Smith E. Ryan Goldman Robert Christopher Robichaud Barrie Rogers Florian Rustler Rick Rusaw Dominic Rowsell Richard R. Reilly David Raffa Andy Robinson Daniel James Rowley Ronald E. Riggio Stephen Roock James S. Rigby Thomas Ritter Don Robert Lamont J. Richard Janel M. Radtke Dr. James Rouse Justin Ryan Barner Robert