by Cook, J.M., Gardner, M.J., Griffiths, A.H., Jessep, M.A., Ravenscroft, J.E., Yates, R.
Published in Marine pollution bulletin (01.08.1997)

by Bird, P., Comber, S.D.W., Gardner, M.J., Ravenscroft, J.E.
Published in The Science of the total environment (01.01.1996)

by Gardner, M.J., Ravenscroft, J.E., Ackers, C.
Published in Talanta (1997)