00344naa a2200121 a 450000100080000000500110000800800410001910000190006024500620007926000090014170000190015077300530016912799551994-02-26       1977    bl ---       0--  u    #d1 aAMMA, C. K. S.  aRelationship of seed weight and seedling vigour in Hevea.  c19771 aNAIR, V. K. B.  tRubber Board Bulletingv.13, n.2, p.28-29, 1977.