by Kostoff, Ronald N, Toothman, Darrell Ray, Eberhart, Henry J, Humenik, James A
Published in Technological forecasting & social change (01.11.2001)

by Kostoff, Ronald N., Eberhart, Henry J., Toothman, Darrell Ray
Published in Information processing & management (1998)

by Kostoff, Ronald N, Braun, Tibor, Schubert, Andras, Toothman, Darrell Ray, Humenik, James A
Published in Journal of Chemical Information and Computer Sciences (01.01.2000)

by Kostoff, R N, Eberhart, Henry J, Toothman, Darrell Ray
Published in Journal of the American Society for Information Science and Technology (15.04.1999)

by Kostoff, R. N., Eberhart, Henry J., Toothman, Darrell Ray
Published in Journal of the American Society for Information Science (1999)