by S.H. Lin ... [et al.]. by S.H. Yang ... [et al.] by B. P. Lim ... [et al.]. by D.W. Levi ... [et al.]. by K.N. Babin ... [et al.] by D.C. Larsen ... [et al.]. by W.G. Curtin ... [et al.] by H.W. Liepmann ... [et al.] by P.T. Bolwijn ... [et al.]. by P.C. Baron ...[et al.]