• Banson ML, Cofer GP, Black R, Johnson GA. 1992. A probe for specimen magnetic resonance microscopy. Investigative Radiology 27: 157164.
  • Bergin CJ, Glover GH, Pauly JM. 1991. Lung parenchyma: Magnetic susceptibility in MR imaging. Radiology 180: 845848.
  • Berlyn GP, Miksche JP. 1976. Botanical microtechnique and cytochemistry. Ames : Iowa State University Press.
  • Black RD, Early TA, Roemer PB, Mueller OM, Mogro-Campero A, Turner LG, Johnson GA. 1993. An improved NMR microscope system utilizing a high temperature superconducting receiver. Science 29: 99106.
  • Colire C, Rumeur EL, Gallier J, De Certaines J, Larher F. 1988. An assessment of proton nuclear magnetic resonance as an alternative method to describe water status of leaf tissues in wilted plants. Plant Physiology and Biochemistry 26: 767776.
  • Edelstein WA, Glover GH, Hardy CJ, Redington RW. 1986. The intrinsic signal-to-noise in NMR imaging. Magnetic Resonance in Medicine 3: 604618.
  • Gewalt SL, Glover GH, Hedlund LW, Cofer GP, MacFall JR, Johnson GA. 1993. MR microscopy of the rat lung using projection reconstruction. Magnetic Resonance in Medicine 259: 793795.
  • Johnson GA, Thompson MB, Gewalt SL, Hayes CE. 1986. Nuclear magnetic resonance imaging at microscopic resolution. Journal of Magnetic Resonance 68: 129137.
  • Larson PR, Isebrands JG. 1978. Functional significance of the nodal constricted zone in Populus deltoides. Canadian Journal of Botany 56: 801804.
  • MacFall JS, Johnson GA, Kramer PJ. 1991. Comparative water uptake by roots of different ages in seedlings of loblolly pine (Pinus taeda L.). New Phytologist 119: 551560.
  • Majumdar S, Gore JC. 1988. Studies of diffusion in random fields produced by variations in susceptibility. Journal of Magnetic Resonance 78: 4155.
  • Mansfield P, Morris PG. 1982. NMR imaging in biomedicine. New York : Academic Press.
  • McCain DC, Croxdale J, Markley JL. 1988. Water is allocated differently to chloroplasts in sun and shade leaves. Plant Physiology 86: 1618.
  • McCain DC, Markley JL. 1990. Distinguishing chloroplast water from nonchloroplast water in one-dimensional NMR Microscope images of plant leaves. Journal of Magnetic Resonance 89: 410414.
  • Noll DC, Meyer C, Pauly JM, Nishimura DG, Macovski A. 1991. Automatic deblurring for imaging with time varying gradients. Society of Magnetic Resonance in Medicine. Abstract: pg. 198.
  • Radford AE, Ahles HE, Bell CR. 1968. Manual of the vascular flora of the Carolinas. Chapel Hill : The University of North Carolina Press.
  • Shibata T, Iwayanagi S. 1989. Pulse proton magnetic resonance study of water exchange in spinach leaf. Scientific Papers IPCR 82: 5258.
  • Van As H, Van Vliet WPA, Schaafsma TJ. 1980. (1H) Spin-echo nuclear magnetic resonance in plant tissue. Biophysical Journal 32: 10431050.
  • Veres JS, Johnson GA, Kramer PJ. 1991a. In vivo magnetic resonance imaging of Blechnum ferns: changes in T1 and N(H) during dehydration and rehydration. American Journal of Botany 78: 8088.
  • Veres JS, Cofer CP, Johnson GA. 1991b. Distinguishing plant tissues with magnetic resonance microscopy. American Journal of Botany 78: 17041711.
  • Walter L, Balling A, Zimmerman U, Haase A, Kuhn W. 1989. Nuclear-magnetic-resonance imaging of leaves of Mesembryanthemum crystallinum L. plants grown at high salinity. Planta 178: 524530.
  • Zimmermann MH. 1983. Xylem structure and the ascent of sap. Berlin : Springer-Verlag.
  • Zhou X, Cofer CP, Suddarth SA, Johnson GA. 1992. High field MR microscopy using fast spin echoes. Proceedings of the society of magnetic resonance in medicine, 4611.