by SIMPSON, A. T, ELLWOOD, P. A
Published in The Annals of occupational hygiene (1996)

by Ellwood, P. A., Hardy, H. L., Walker, R. F.
Published in Analyst (London) (1981)

by Groves, J.A, Ellwood, P.A
Published in The Annals of occupational hygiene (01.04.1991)

by Ellwood, P A, Groves, J A, Pengelly, M I
Published in The Annals of occupational hygiene (01.06.1990)

by Groves, J.A, Ellwood, P.A
Published in The Annals of occupational hygiene (1989)

by Groves, J A, Ellwood, P A
Published in The Annals of occupational hygiene (1985)

by Bagon, D. A., Warwick, C. J., Foster, R. D., Ellwood, P. A., Walker, R. F., Thorley, J. F.
Published in Analytical proceedings (1982)

by Simpson, A. T., Ellwood, P. A.
Published in The Annals of occupational hygiene (01.10.1996)

by Ellwood, P. A
Year of Publication 1979

by LANCY, LESLIE EMERY, ELLWOOD, PA. (V.ST.A.)
Year of Publication 28.03.1974

by LABATE, MICHEAL DONALD, ELLWOOD CITY, PA. (V.ST.A.)
Year of Publication 04.09.1980

by LANCY, LESLIE E., ELLWOOD CITY, PA. (V.ST.A.)
Year of Publication 17.07.1980

by LABATE, MICHEAL DONALD, ELLWOOD CITY, PA. (V.ST.A.)
Year of Publication 03.07.1980

by LANCY, LESLIE E., ELLWOOD CITY, PA. (V.ST.A.)
Year of Publication 22.03.1979

by LABATE, MICHEAL DONALD, ELLWOOD CITY, PA. (V.ST.A.)
Year of Publication 21.09.1978

by LABATE, MICHEAL DONALD, ELLWOOD CITY, PA. (V.ST.A.)
Year of Publication 14.09.1978

by LANCY, LESLIE E., ELLWOOD CITY, PA. (V.ST.A.)
Year of Publication 13.07.1978

by LABATE, MICHEAL DONALD, ELLWOOD CITY, PA
Year of Publication 12.06.1975

by LANCY, LESLIE E., ELLWOOD CITY, PA. (V.ST.A.)
Year of Publication 15.05.1975

by GUTSHALL, CHARLES EDWARD, ELLWOOD CITY, PA. (V.ST.A.)
Year of Publication 06.02.1975