Effect of pH on enzyme stability in soils von Frankenberger, W.T., Johanson, J.B.

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Urease activity in sewage sludge-amended soils von Frankenberger, W.T., Johanson, J.B., Nelson, C.O.

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Production and persistence of soil enzymes with repeated addition of organic residues von Martens, D.A. (University of California, Riverside, CA), Johanson, J.B, Frankenberger, W.T. Jr

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Use of plasmolytic agents and antiseptics in soil enzyme assays von Frankenberger, W.T., Johanson, J.B.

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Distribution of L-histidine ammonia-lyase activity in soils von Frankenberger, W.T. Jr, Johanson, J.B

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Decomposition and Nitrogen Loss of Dairy Wastes Deposited on Simulated Animal Confinement Surface von A. C. Chang

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sealing mechanism of wastewater ponds von Chang, A.C, Olmstead, W.R, Johanson, J.B, Yamashita, G

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The role of human drug self-administration procedures in the development of medications von Comer, S.D, Ashworth, J.B, Foltin, R.W, Johanson, C.E, Zacny, J.P, Walsh, S.L

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Discriminative stimulus and subjective effects of smoked marijuana in humans von CHAIT, L. D, EVANS, S. M, GRANT, K. A, KAMIEN, J. B, JOHANSON, C. E, SCHUSTER, C. R

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Industrial Processing Via Variable Frequency Microwaves Part Bonding Applications von Wei, J.B., Ngo, K., Tucker, D.A., Fathi, Z., Paulauskas, F.L., Johanson, W.G.

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