00269nam a22001097a 4500003000400000008004100004245003900045260003800084300000800122942001200130999001700142OSt231215b        |||||||| |||| 00| 0 eng d  aTrace elements in Plant Phyriology  aWalthan USAbC.S.R.S., Pusac1950  a144  2ddccBK  c34742d34742