by Akers, T K, Thompson, R E, Dowell, Jr, H, Barbee, D G
Published in Journal of applied physiology (1948) (01.08.1968)

by Barbee, D.G., Goplen, S.P., Thomas, O.B., Nuckolls, C.E.
Published in Journal of agricultural engineering research (01.01.1973)

by Rubin, C.B, Barbee, D.G
Published in Public administration review (01.01.1985)