dcsimg
BHL has entered a new chapter. Learn more.
Sort By:
  1. By: Sacktor, Bertram - Thomas, Gerard M. - Moser, John C - Bloch, Donald I
    Type: Article
    In: The Biological bulletin
    Volume: 105
    Date: 1953-08-01
    Page Range: 166--173
    Publication Info: Woods Hole, Mass Marine Biological Laboratory
  2. By: Bloch, Donald I
    Type: Article
    In: Journal of the New York Botanical Garden
    Volume: 39
    Issue: 464
    Date: 1938-08
    Page Range: 169--177
    Publication Info: Lancaster, Pa Published for the Garden by the New Era Printing Co 1900-