Stafford, Erik, and Joel L. Heilprin. "Valuation of AirThread Connections, Spreadsheet Supplement (Brief Case)." Harvard Business School Spreadsheet Supplement 114-267, March 2011.
Luehrman, Timothy A., and James Quinn. "Groupe Ariel S.A.: Parity Conditions and Cross-Border Valuation, Faculty Spreadsheet (Brief Case)." Harvard Business School Spreadsheet Supplement 104-198, ...