00514nam a2200145Ia 4500008004100000082004000041100009500081245005000176260002700226300001400253490003400267600001900301600002000320650002800340140224s9999    xx            000 0 und d  a581.035(100) 1981.1.50.8 (082.2) M1  aInternational symposium on Plants and the Daylight Spectrum, 1st, Leicester, Jan.5-8,1981.  aPlants and the daylight spectrum; proceedings  aLondonbAcademicc1981  axix,508p.  aBritish Photo Biology Society  aSmith, H., ed.  aEdited  H.Smith  aPlants-effects of light