00408nam a2200145Ia 4500008004100000020000500041082002000046100001800066245004800084260006500132300000700197650001900204700002100223700001800244140316s9999    xx            000 0 und d  a  a631.523bHAR/EX  aHarbhjan sigh  aExploitation of hybrid vigour in vegetables  aNew DelhibPublications and information division, ICARc1998  a46  aPlant breeding  aBrijendra singh,  aVishnu swarup