000 00304nam a2200121Ia 4500
008 170101s1997 xx 000 0 und d
082 _a577.4145 JAR
100 _aJarvis, S.C
245 0 _aGaseous nitrogen emissions from grasslands
260 _aU.K
_bCABI
_c1997
300 _aP.452
942 _2ddc
_cBK
999 _c239931
_d239931