003230000a2200121000450000500170000008200220001710000240003924500420006326000380010526000090014330000080015265000410016020250903142602.0  a581.  0724 MOD.04  aPaech K, Tracey M V  aModern methods of plant analysis V.04  aNewdelhi, Naraso publishing house  c1979  a756  aIon exchange/plant analysis/alkaline