8Jack Ciesielski. Bulletin: Accounting for In - Process R&D Charges to Radically Change[ EB/OL] .http://www.ccoontingobserver.com/commentary/brids/1999/bulletin. asp.
9Rick Wayman. In-Process R&D Charge Offs: The Bad And The Ugly[EB/OL].http://www.investopedia.com/articles/analyst/100902.asp