Valuation of industrial property, Obsolescence
Cleminshaw provides a basic explanation of superadequacy and shows how to estimate the allowance for this kind of obsolescence.
Cleminshaw, John G.
"Measuring superadequacy in older industrial plants: A case study,"
Assessment Journal: Vol. 4
, Article 3.
Available at: https://researchexchange.iaao.org/assessment_journal/vol4/iss1/3