Complex Estimation of Coal Beneficiation Wastes by their Phytotoxicity, Secondary Recycling and Detoxification Possibility - I. A. Blajda; V. I. Baranov; T. V. Vasileva; Ju. Vasileva; V. V. Nemertsalov; L. I. Sljusarenko; V. L. Kamskaja (Energy Technologies and Resource Saving, 2012)