Studies on the structure and origin of soil humic acids by Curie Point pyrolysis in direct combination with low-voltage mass spectrometry Back to all publications Publication date 1 January 1975 Reference B.R. Nagar, E.S. Waight, H.L.C. Meuzelaar and P.G. Kistemaker, Studies on the structure and origin of soil humic acids by Curie Point pyrolysis in direct combination with low-voltage mass spectrometry, Plant Soil 43, 681-685 (1975) Request this article