00380nam a2200169Ia 4500008004100000041001200041082001000053082001100063100001700074100001700091100001100108245001900119260001100138260003100149260000900180650002100189150909s9999    xx            000 0 und d  aEnglish  a581.1  bDEV/PH  aBarker A V    aDevlin R M    eAuthor  aPhotosynthesis  aMadras  bAffiliated east west press  c1971  aPlant physiology