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Author/Creator
- SpringerLink (Online service)48
- Films for the Humanities & Sciences (Firm)17
- Infobase17
- American Chemical Society. Division of Chemical Education, sponsoring body7
- American Chemical Society. Division of Environmental Chemistry, sponsoring body6
- Harborne, J. B. (Jeffrey B.)6
- Lichtfouse, Eric5
- Voogt, Pim de4
- Benvenuto, Mark A. (Mark Anthony)3
- Granada Media (Firm)3
- Information Television Network3
- Roberts-Kirchhoff, Elizabeth S.3
- Sheardy, Richard Dean3
- American Chemical Society, sponsoring body2
- American Chemical Society. Division of Industrial and Engineering Chemistry, sponsoring body2
- Barceló, Damià2
- Burns, David (William David)2
- Crawford, Garland L., 1974-2
- Crini, Grégorio2
- DR TV (Television station : Copenhagen, Denmark)2