Chemical alteration of a biological polymer "sporopollenin" during coalification: origin, formation, and transformation of the coal maceral sporinite von Hayatsu, R, Botto, R. E, McBeth, R. L, Scott, R. G, Winans, R. E

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Reactivity of Anisoles on Clay and Pillared Clay Surfaces von Carrado, Kathleen A., Hayatsu, Ryoichi, Botto, Robert E., Winans, Randall E.

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Thermal catalytic transformation of pentacyclic triterpenoids: Alteration of geochemical fossils during coalification von Hayatsu, R., Botto, R.E., Scott, R.G., McBeth, R.L., Winans, R.E.

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Origin of organic matter in the early solar system—VII. The organic polymer in carbonaceous chondrites von Hayatsu, Ryoichi, Matsuoka, Sumiko, Scott, Robert G., Studier, Martin H., Anders, Edward

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Terpenoid biomarkers in Argonne Premium coal samples and their role during coalification von Hayatsu, R, McBeth, R. L, Neill, P. H, Xia, Y, Winans, R. E

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Trapped organic compounds and aromatic units in coals von Hayatsu, Ryoichi, Winans, Randall E., Scott, Robert G., Moore, Leon P., Studier, Martin H.

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Carbynes in Meteorites: Detection, Low-Temperature Origin, and Implications for Interstellar Molecules von Hayatsu, Ryoichi, Scott, Robert G., Studier, Martin H., Lewis, Roy S., Anders, Edward

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Phenolic Ethers in the Organic Polymer of the Murchison Meteorite von Hayatsu, Ryoichi, Winans, Randall E., Scott, Robert G., McBeth, Robert L., Moore, Leon P., Studier, Martin H.

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Steroid studies. VII. Syntheses of sargasterol, fucosterol, and C 20-isocholesterol von HAYATSU, R

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Origin of organic matter in early solar system—V. Further studies of meteoritic hydrocarbons and a discussion of their origin von H. Studier, Martin, Hayatsu, R., Anders, Edward

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Origin of organic matter in early solar system—VI. Catalytic synthesis of nitriles, nitrogen bases and porphyrin-like pigments von Hayatsu, R, Studier, Martin H, Matsuoka, S, Anders, Edward

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Characterization and pyrolysis of separated coal macerals von Winans, R.E., Scott, R.G., Neill, P.H., Dyrkacz, G.R., Hayatsu, R.

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Aromatic units in coal von HAYATSU, RYOICHI, SCOTT, ROBERT G, MOORE, LEON P, STUDIER, MARTIN H

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Lignin-like polymers in coals von HAYATSU, RYOICHI, WINANS, RANDALL E, MCBETH, ROBERT L, SCOTT, ROBERT G, MOORE, LEON P, STUDIER, MARTIN H

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Nitrogen isotope fractionations in the Fischer-Tropsch synthesis and in the Miller-Urey reaction von Kung, Chun-Chan, Hayatsu, Ryoichi, Studier, Martin H., Clayton, Robert N.

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Characterisation of organic acids trapped in coals von HAYATSU, RYOICHI, WINANS, RANDALL E, SCOTT, ROBERT G, MOORE, LEON P, STUDIER, MARTIN H

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Aromatic structures in coal (reply) von HAYATSU

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Interstellar chemistry: polycyanoacetylene formation von Anders, E, Hayatsu, R

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Optical Activity in the Orgueil Meteorite von Hayatsu, Ryoichi

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The photodimers of α-pyridones von Ayer, W.A., Hayatsu, R., de Mayo, P., Reid, S.T., Stothers, J.B.

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