00309nam a2200097Ia 4500008004100000082002400041245006000065260005000125300000900175650002700184130903s9999    xx            000 0 und d  aPH 631.85 MUS    L8  aMussoorie phosphorite straight as phosphatic fertiliser  aDehradunbMussoorie Phosphorite Projectc1978  a62p.  aPhosphatic Fertilizers