by Johnson D.R, Kimbrough J.L, Wall M.L
Published in EL (USA). no. 52 (1990)

by Jennings B
Published in EL (USA). no. 612 (1989)

by Jones B.F, Johnson D.R
Published in EL (USA). no. 392 (1989)

by McDaniel M.C, Huey B.A
Published in EL (USA). no. 198 (1988)

by Johnson D.R
Published in EL (USA). no. 193 (1987)

by Johnson, D.R, Kimbrough, J.L, Wall, M.L
Published in EL (USA) (1990)

by Jones, B.F, Johnson, D.R
Published in EL (USA) (1989)

by McDaniel, M.C, Huey, B.A
Published in EL (USA) (1988)

by Johnson, D.R
Published in EL (USA) (1987)

by Marschall, D.G, Burrell, L, Roberts, K
Published in Technical report EL (USA) (1993)

by Myers, T.E
Published in Technical report EL (USA) (1993)

by Homziak, J, Veal, C.D, Hayes, D
Published in Technical report EL (USA) (1993)

Published in Technical report EL (USA). no. 93-26 (1993)