1. Electron Microscopy of Leaf Surfaces
2. R. K. Pfeiffer, O. R. Dewey, and R. T. Brunskill(1957 ). Further investigations of the effect of pre-emergence treatment with trichloracetic and dichlorpropionic acids on the subsequent reaction of plants to other herbicidal sprays .4th Int. Cong. Crop. Prot. Summary, p.74 .
3. Absorption and Translocation of Plant Regulators