Robert Clark; David Cox; Howard C. Jr. Curtiss; John W. Edwards; Kenneth C. Hall; David A. Peters; Robert Scanlan; Emil Simiu; F Springer 2004 Kovakantinen kirja
Clark, Robert; Cox, David; Curtiss, Howard C. Jr.; Edwards, John W.; Hall, Kenneth C.; Peters, David A.; Scanlan, Robert; Simiu, Springer-Verlag New York Inc. 2004 Pehmeäkantinen kirja