by Douglas Biber...[et al.] by Douglas Biber...[et al. by Douglas Pancoast...[et al.] Douglas Gunn...[et al.] by George Peper...[et al.] Susan Weber...[et al.] by Hal Foster...[et al.] Douglas Ehninger,... [et al.] Douglas Gunn...[et al. [by Liza Baker...[et al.]]