Field comparison of nitrous oxide emission measurements using micrometeorological and chamber methods P. Laville, C. Hénault, P. Renault, P. Cellier, A. Oriol, X. Devis, D. Flura and JC Germon Agronomie, 17 8 (1997) 375-388 DOI: 10.1051/agro:19970802