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	1.	Physiology of nitrogen fixation by Aerobacter aerogenes. [electronic resource] by PENGRA, R M WILSON, P W Producer: 20000701 In: Journal of bacteriology vol. 75 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Trace metal requirements of Aerobacter aerogenes for assimilation of molecular nitrogen. [electronic resource] by PENGRA, R M WILSON, P W Producer: 20000701 In: Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.) vol. 100 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	MAGNESIUM REQUIREMENT OF AEROBACTER AEROGENES FOR ASSIMILATION OF MOLECULAR AND COMBINED NITROGEN. [electronic resource] by YOCH, D C PENGRA, R M Producer: 19961201 In: Journal of bacteriology vol. 88 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Physiology of nitrogen fixation by a species of Achromobacter. [electronic resource] by GOERZ, R D PENGRA, R M Producer: 19981101 In: Journal of bacteriology vol. 81 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Effect of amino acids on the nitrogenase system of Klebsiella pneumoniae. [electronic resource] by Yoch, D C Pengra, R M Producer: 19670123 In: Journal of bacteriology vol. 92 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Cell walls and lysis of Mortierella parvispora hyphae. [electronic resource] by Pengra, R M Cole, M A Alexander, M Producer: 19690515 In: Journal of bacteriology vol. 97 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Some properties of a soluble and particle-bound hydrogenase in Aerobacter aerogenes. [electronic resource] by TEMPERLI, A PENGRA, R M WILSON, P W Producer: 19981101 In: Biochimica et biophysica acta vol. 38 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Effects of nitrogen supplements on nitrogen fixation by Aerobacter aerogenes. [electronic resource] by Patil, R B Pengra, R M Yoch, D C Producer: 19671002 In: Biochimica et biophysica acta vol. 136 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Methionine and selenium toxicity. [electronic resource] by KLUG, H L HARSHFIELD, R D PENGRA, R M MOXON, A L Producer: 20030501 In: The Journal of nutrition vol. 48 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)