00323nam a2200109Ia 450000500170000000800410001705000170005810000150007524500640009026000360015465000230019020251229085638.0251229s9999    xx            000 0 und d  aSB 185.5 .C6  aCoombs, J. 0aTechniques in Bioproductivity and photosythesis .cJ Coombs  aNew Yorkb Pergamon pressc1982  aPhysiology, Plants