Chemical, isotopic, spectroscopic and geochemical aspects of natural and synthetic humic substances von Ikan, R., Ioselis, P., Rubinsztain, Y., Aizenshtat, Z., Miloslavsky, I., Yariv, S., Pugmire, R., Anderson, L.L., Woolfenden, W.R., Kaplan, I.R., Dorsey, T., Peters, K.E., Boon, J.J., de Leeuw, J.W., Ishiwatari, R., Morinaga, S., Yamamoto, S., Macihara, T., Muller-Vonmoos, M., Rub, A.

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Carbon-13 cross polarized magic-angle samples spinning nuclear magnetic resonance of melanoidins von Ikan, R., Rubinsztain, Y., Ioselis, P., Aizenshtat, Z., Pugmire, R., Anderson, L.L., Woolfenden, W.R.

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Structural analysis of Lilium longiflorum sporopollenin by 13CNMR spectroscopy von Espelie, K.E, Loewus, F.A, Pugmire, R.J, Woolfenden, W.R, Baldi, B.G, Given, P.H

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Carbon distribution in coals and coal macerals by cross polarization magic angle spinning carbon-13 nuclear magnetic resonance spectrometry von Wilson, M. A, Pugmire, R. J, Karas, Jirina, Alemany, L. B, Woolfenden, W. R, Grant, D. M, Given, P. H

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Effect of hydrogen bonding on the barrier to rotation about amide bonds von Neuman, Robert C, Woolfenden, Warner R, Jonas, Violet

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