00287nam a2200097Ia 4500008004100000082003100041245007600072260001300148300001000161650001800171140113s9999    xx            000 0 und d  a621.039.8:631.43:631.67 K7  aIsotope and radiation techniques in soil physics and irrigation studies  b"IAEA, "  a444p.  aRadioisotopes