Simpson, A. J., Hatcher, P. G., & Kingery, W. L. The identification of plant derived structures in humic materials using three-dimensional NMR spectroscopy.

Simpson, Andre J., Patrick G. Hatcher, و William L. Kingery. The Identification of Plant Derived Structures in Humic Materials Using Three-dimensional NMR Spectroscopy.

Simpson, Andre J., Patrick G. Hatcher, و William L. Kingery. The Identification of Plant Derived Structures in Humic Materials Using Three-dimensional NMR Spectroscopy.