00305nam a2200121Ia 4500008004100000020000500041082001600046100001500062245003200077260006200109300000700171650000500178140316s9999    xx            000 0 und d  a  aICARbNRCWS  aMishra,J A  aTillage and weed management  aJabalpurbNational Research Centre for Weed Sciencec2004  a33  a