by Browning, Mark E, Lehman, James D
Published in Journal of research in science teaching (01.12.1988)

by Whittington, Richard, Browning, Mark E., Farrell, George R., Miremadi, Arjang
Published in Journal of the American Academy of Dermatology (01.11.1986)

by Browning, Mark E, Lehman, James D
Published in Collegiate Microcomputer (1988)