by Gregory, K.J
Published in Search, Sci Technol Soc (1976)

by Fenner, F
Published in Search, Sci Technol Soc (1975)

by Henderson, W, Wilkins, C.W
Published in Search, Sci Technol Soc (1975)

by Specht, R.L
Published in Search, Sci Technol Soc (1975)

by Fastier, F.N, Laws, G.F
Published in Search, Sci Technol Soc (1975)

by Macphail, M
Published in Search, Sci Technol Soc (1975)

by Waler, W.R, Reeves, R, Kay, D.J
Published in Search, Sci Technol Soc (1975)

by Specht, R.L
Published in Search, Sci Technol Soc (1975)

by Vines, R.G
Published in Search, Sci Technol Soc (1975)

by Shepherd, C.J
Published in Search, Sci Technol Soc (1975)

by Haantjens, H.A
Published in Search, Sci Technol Soc (1975)

by Nedwell, D.B
Published in Search, Sci Technol Soc (1974)

by Gillespie, J.M, Blagrove, R.J
Published in Search, Sci Technol Soc (1974)

by Marks, E.N
Published in Search, Sci Technol Soc (1974)

by Huber, R
Published in Search, Sci Technol Soc (1974)

by Drake, D.W
Published in Search, Sci Technol Soc (1974)

by West, C.E, Redgrave, T.G
Published in Search, Sci Technol Soc (1974)

by Key, K.H.L
Published in Search, Sci Technol Soc (1974)

by Thompson, J.M, Davie, J.D.S
Published in Search, Sci Technol Soc (1974)

Published in Search, Sci Technol Soc (1974)