00490nam a2200157 a 450000500170000010000160001724500800003326000590011330000100017269000190018269000210020196400230022299700180024599900170026395200520028020251203090711.0  aBeadle,C.L.  aPhotosynthesis in relation to plant production in terrestri-al environments  aNew YorkbUnited nations environmental programmec1985  a156p.  aPhotosynthesis  aplant production  bENGLISHcdefg_  a16483 LIBSC C  c16840d16840  00104070aPUbPUd1998-09-21l0o p16483yBK