00294nam a22001097a 4500003000400000008004100004082001800045100002000063245007800083260001600161300000700177OSt240123b        |||||||| |||| 00| 0 eng d  a546.731bR63F  aRobeinson,J.B.D  aFluorine its occurrence ,analysis ,effect on plants diagnosis and control  aC.A.Bc1978  a36