editors, G.W. Crabtree and P. Vashishta. editors, G.R. Castro and M. Cardona. editors, D.C. Fries and B. Zeitnitz. editors, D.H. Sharp and T.F. West. editors, H. Walther and K. W. Rothe. editors, H.P. Weber and W. L鑥thy. editors, H. Latal and H. Mitter. editors, H.-P. Nolting and R. Ulrich. editors, K. Folkers and Y. Yamamura. editors, M.F. Greaves and L.C. Chan.