00327naa a2200121 a 450000100080000000500110000800800410001910000230006024500570008326000090014065300100014977300460015916194951995-06-27       1962    bl ---       0--  u    #d1 aCLARIDGE, G. G. C.  aExtractable iron in relation to soil classification.  c1962  aSOLOS  tN. Z. J. Sci.gv.5, n.3, p.269-278, 1962.