Environmental pollution by trace elements in coal preparation wastes
By: J. M. Williams, E. M. Wewerka, N. E. Vanderborgh, P. Wagner, P. L. Wanek and J. D. Olsen.
Contributors: Wewerka, E. M; Vanderborgh, N. E; Wagner, P.; Wanek, P. L; Olsen, J. D
Publisher: s.n
Published: 1977
Place of publication: S.l
Number of pages: 60
Notes: 13