00309nam a22001097a 4500003000400000008004100004082001900045100002200064245008200086260002400168300000700192OSt240110b |||||||| |||| 00| 0 eng d aT631.416bS48S aSingh, Indra Deo. aStudies on pyrites for the reclamation of a saline alkali soil of North Bihar aSabourbB.A.Uc1976 a56