00309nam a2200121Ia 4500008004100000100002100041245002300062260003200085300001000117650002100127650001600148700002300164220216s9999    xx            000 0 und d  aMarattukalam J G 0aSeed certification  bRubber Board Bulletinc2000  a17-20  aPolyclonal seeds  aRubber seed  aSaraswathyamma C K