23
Published 2013
American Chemical Society

24
Published 2020
American Chemical Society

26
Published 2020
American Chemical Society

27
Published 2015
American Chemical Society

28
Published 2019
American Chemical Society

29
Published 2015
American Chemical Society

30
Published 2015
American Chemical Society

32
Published 2018
American Chemical Society

33
Published 2012
American Chemical Society

35
Published 2018
American Chemical Society

36
Published 2020
American Chemical Society

37
Published 1993
American Chemical Society
Subjects: ...Mine soils / Pennsylvania...

38
Published 1986
American Chemical Society
Subjects: ...Coal / Pennsylvania / Pittsburgh...

39
Published 1985
American Chemical Society

40
Published 1986
American Chemical Society