(form "20470" (size 44 6)
    (help "20470_TIP_0")
    (heading "VARIOGRAM TYPE"
    )
    (label
        (position 2 3)
        (text "Select variogram type"
        )
    )
    (field "type"
        (position 24 3)
        (display_length 15)
        (input allowed)
        (value_in   "Normalised"
                    "Standard"
                    "Logarithmic"
                    "General Relative"
                    "Pairwise Relative"
        )
        (default "Normal")
        (null disallowed)
    )
    
    (default_buttons)
)