public Quantity_Date Add(Quantity_Period aPeriod)
{
throw new NotImplementedException();
}
public Quantity_Period(Quantity_Period parameter1)
: base()
{
throw new NotImplementedException();
}
public Quantity_Period Add(Quantity_Period anOther)
{
throw new NotImplementedException();
}
public bool IsLonger(Quantity_Period anOther)
{
throw new NotImplementedException();
}