Laurence Behrens ... [et al.]. Laurence Steinberg ... [et al.] Laurence T. Yang ... [et al.] (eds.) Laurence T. Yang ... [et al.] (eds.). Laurence Behrens, Leonard J. Rosen. Laurel Saville ... [et al.]. by R.G. Behrens, et al... Laurence M. Ball.