Search Results - Heller, Stephen R.

Online Searching on STN : Beilstein Workshop Manual / by Heller, Stephen R.

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Online Searching on DIALOG® : Beilstein Reference Manual / by Heller, Stephen R.

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EPA/NIH mass spectral data base / by Heller, Stephen R., 1943-

EPA/NIH mass spectral data base. by Heller, Stephen R., 1943-

EPA/NIH mass spectral data base. by Heller, Stephen R., 1943-, Milne, George W. A., 1937-, Gevantman, L. H.

The Beilstein system : strategies for effective searching /

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The Beilstein online database : implementation, content, and retrieval /

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The Beilstein system : strategies for effective searching /

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The Wiley/NBS registry of mass spectral data / by McLafferty, Fred W.

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Designing bioactive molecules : three-dimensional techniques and applications /

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