Lysets og nitrogentilførslens indflydelse på aminosyrestofskiftet og stofproduktionen i italiensk rajgræs (Lolium multiflorum), studeret i karforsøg = The influence of light and nitrogen supply on the amino acid metabolism and dry-matter production of Italian ryegrass (Lolium multiflorum), studied by means of pot experiments - Larsen, Ivan, 1923- (Ivan Larsen : I kommission hos DSR boghandel, 1977)