by Brock, Gay C., Beazley, Richard P.
Published in The Journal of school health (01.04.1995)

by McBain, J. W, Brock, G. C, Vold, R. D, Vold, M. J
Published in Journal of the American Chemical Society (01.08.1938)

by Perry, J W, Speak, G S, Brock, G C, Selwyn, E W H, Tearle, J L
Published in Proceedings (Physical Society (Great Britain) : 1926) (01.01.1947)

Published in Optica acta (01.12.1972)

by Perry, J W, Speak, G S, Brock, G C, Selwyn, E W H, Tearle, J L
Published in Proceedings (Physical Society (Great Britain) : 1926) (01.01.1947)

by MC FARLANE BROCK J,GB, MARDEN A,GB, AMES J,GB
Year of Publication 25.02.1974