Chemical & Engineering News, May 31, 2004, Volume 82, Number 22, pp. 31-34, "Biomass or Bust" Web version
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Niu, Wei; Molefe, Mapitso N.; Frost, J. W. (2003). "Microbial Synthesis of the Energetic Material Precursor 1,2,4-Butanetriol". Journal of the American Chemical Society125 (43): 12998–12999. doi:10.1021/ja036391+. பன்னாட்டுத் தர தொடர் எண்:0002-7863.
Niu, Wei; Molefe, Mapitso N.; Frost, J. W. (2003). "Microbial Synthesis of the Energetic Material Precursor 1,2,4-Butanetriol". Journal of the American Chemical Society125 (43): 12998–12999. doi:10.1021/ja036391+. பன்னாட்டுத் தர தொடர் எண்:0002-7863.