L. Braal

Characterization of phosphatase in a terrestrial soil sterilized with an electron beam

A. Mclaren, J. Skujins, L. Braal, 1952 .

Growth of Sterile Plant Roots in Sand or Soil in An Inexpensive Growth Chamber1

A. Mclaren, O. E. Bradfute, R. A. Luse, 1962 .