00293nam a2200097Ia 4500008004100000082004100041245007400082260001700156300001000173650001200183140113s9999    xx            000 0 und d  a631.81.031:631.45:621.039.8:634.0 L2  aIsotopes and radiation in soil-plant relationships including forestry  b"IAEA, 1972"  a674p.  aIsotope