1.

Conference Proceedings
Conference Proceedings
1. A new approach to the structural analysis of humic substances in water and soils: humic acid oligomers
Schulten, Hans-Rolf
Pub. info.: Humic and fulvic acids : isolation, structure, and environmental role : developed from a symposium sponsored by the Division of Industrial and Engineering Chemistry Inc..  pp.42-56,  1996.  Washington, D.C..  American Chemical Society
Title of ser.: ACS symposium series
Ser. no.: 651
2.

Conference Proceedings
Conference Proceedings
2. Chemical Nature of Species Associated with Mobile Protons in Coals: A Study by Field Ionization Mass Spectrometry
Marzec, Anna ; Schulten, Hans-Rolf
Pub. info.: Coal science II.  pp.61-,  1991.  Washington, D.C..  American Chemical Society
Title of ser.: ACS symposium series
Ser. no.: 461
3.

Conference Proceedings
Conference Proceedings
3. Mobile Phase in Coal Viewed from a Mass Spectrometric Perspective
Yun, Yongseung ; Meuzelaar, Henk L. C. ; Simmleit, Norbert ; Schulten, Hans-Rolf
Pub. info.: Coal science II.  pp.89-,  1991.  Washington, D.C..  American Chemical Society
Title of ser.: ACS symposium series
Ser. no.: 461