'Sinking Funds and their Relation to Depreciation Funds', J.W.Forster, Proceedings of the Annual Meeting of the Institute of Municipal Treasurers and Accountants, 1907, 126-67

DOI link for 'Sinking Funds and their Relation to Depreciation Funds', J.W.Forster, Proceedings of the Annual Meeting of the Institute of Municipal Treasurers and Accountants, 1907, 126-67

'Sinking Funds and their Relation to Depreciation Funds', J.W.Forster, Proceedings of the Annual Meeting of the Institute of Municipal Treasurers and Accountants, 1907, 126-67