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Warner, R. E., Peterson, K. K. and Borgman, L. (1966). I n “Pesticides in the
Environment and their Effects on Wildlife”. J . appl. Ecol. 3 (Suppl.), 223-247.
Wheatley, G. A. and Hardman, J. A. (1965). Nature, Lond. 207, 486-487.
Wheatley, G. A., Hardman, J. A. and Strickland, A. H. (1962). Plant Pathology
W.H.O. Report, (1964).
Winteringham, F. P. W. and Hewlett, P. S. (1964). Chem. Ind. 1964, 1512-1518.
Woodford, E. K. (1964). Proc. 7th Brit. Weed Control Conf. 944-62.
Woodford, E. K. and Evans, S. A. (1965). Weed Control Handbook. Oxford:
Blackwell.
Wynne-Edwards, V. C. (1962). “Animal Dispersion in Relation to Social Behaviour”. London: Oliver and Boyd, Edinburgh.
Yemm, E. W. and Willis, A. J. (1962). Weed Res. 2, 24-40.
11, 81-90.
129
Wain, R. L. (1958). Adv. Peat Control Res. 2, 263-306.
Warner, R. E., Peterson, K. K. and Borgman, L. (1966). I n “Pesticides in the
Environment and their Effects on Wildlife”. J . appl. Ecol. 3 (Suppl.), 223-247.
Wheatley, G. A. and Hardman, J. A. (1965). Nature, Lond. 207, 486-487.
Wheatley, G. A., Hardman, J. A. and Strickland, A. H. (1962). Plant Pathology
W.H.O. Report, (1964).
Winteringham, F. P. W. and Hewlett, P. S. (1964). Chem. Ind. 1964, 1512-1518.
Woodford, E. K. (1964). Proc. 7th Brit. Weed Control Conf. 944-62.
Woodford, E. K. and Evans, S. A. (1965). Weed Control Handbook. Oxford:
Blackwell.
Wynne-Edwards, V. C. (1962). “Animal Dispersion in Relation to Social Behaviour”. London: Oliver and Boyd, Edinburgh.
Yemm, E. W. and Willis, A. J. (1962). Weed Res. 2, 24-40.
11, 81-90.