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On leave from Explosives Research and Development Laboratory, Pashan, Poona-21 India.
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Witanowski, M., Stefaniak, L., Januszewski, H. et al. Nitrogen-14 nmr evidence for the pentazole ring structure. Journal of Crystal and Molecular Structure 5, 137–140 (1975). https://doi.org/10.1007/BF01387009
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DOI: https://doi.org/10.1007/BF01387009