Douglas A. Bernstein,...[et al.] Douglas A.Downing...[et al.] Roberta Bernstein...[et al.] Paul F. Brandwein,...[et al.] Douglas Ehninger,... [et al.] Douglas Gunn...[et al.] Paul F. Brandwein,...[et al] par M. Legrain,...[et al.] Suzanne Slesin,...[et al.] by Douglas Biber...[et al.]