@article{articled3966205,
title   = {Fate of 15N applied as ammonium sulphate to a bean crop},
author = {Cervellini, Admar and Ruschel, Alaides Puppin and Matsui, Eiichi and Salati, Eneas and Zagatto, Elias Ayres Guidetti and Ferreira, H. F and Krug, Francisco José and Bergamin Filho, Henrique and Reichardt, Klaus and Meirelles, Nelson Morato Ferraz and Libardi, Paulo Leonel and Victoria, Reynaldo Luiz and Saito, Siu Mui Tsai and Nascimento Filho, Virgílio Franco do},
year = {1980},
journal   = {Communications of the International Atomic Energy Agency}
}