| http://www.w3.org/ns/prov#value | - London. [0259] The formulation auxiliaries required, such as inert materials, surfactants, solvents and other additives are also known and are described, for example, in Watkins, ???Handbook of Insecticide Dust Diluents and Carriers???, 2nd Ed., Darland Books, Caldwell N.J.; H. v. Olphen, ???Introduction to Clay Colloid Chemistry???; 2nd Ed., J. Wiley & Sons, N.Y. Marsden, ???Solvents Guide???, 2n
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