title: EFFECTS OF THE ABSENCE OF BORON AND OF SOME OTHER ESSENTIAL ELEMENTS ON THE CELL AND TISSUE STRUCTURE OF THE ROOT TIPS OF PISUM SATIVUM.
authors.affiliation: The University of Minnesota, Minneapolis, Minnesota.
authors.forename: A L
authors.initials: AL
authors.lastname: Sommer
authors.forename: H
authors.initials: H
authors.lastname: Sorokin