00433nam a2200145Ia 4500008004100000082002100041100002200062245002800084260005200112300000800164650004100172650003400213653002700247653001300274170901s1982    xx            000 0 und d  a630.241388bS66I  aRamulu, U.S. Sree 0aIsotopes in Agriculture  aNew DelhibOxford and IBH, Publishing Co.c1982  a320  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgricultural chemistry  aIsotopes