Walter A. Robbins, Kenneth R. Austin, Disclosure Quality in Governmental Financial Reports: An Assessment of the Appropriateness of a Compound Measure, Journal of Accounting Research, Vol. 24, No. 2 (Autumn, 1986), pp. 412-421
G. Peter Wilson, The Relative Information Content of Accruals and Cash Flows: Combined Evidence at the Earnings Announcement and Annual Report Release Date, Journal of Accounting Research, Vol. 24, Studies on Alternative Measures of Accounting Income (1986), pp. 165-200