00274nam a2200109Ia 4500008004100000082001900041100000500060245003200065260004500097300000700142700001500149140316s9999    xx            000 0 und d  a633.88bCHA/PY  a  aPyrethrum : a bio-pesticide  aNew DelhibIndian Social Institutec1996  a10  aChandy,K T