Environmental effects of the use of oil-based drilling muds in the North Sea von Davies, J.M., Addy, J.M., Blackman, R.A., Blanchard, J.R., Ferbrache, J.E., Moore, D.C., Somerville, H.J., Whitehead, A., Wilkinson, T.

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Environmental documents von Ferbrache, J.E., Goodman, K.S.

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