Check out The project balance sheet — not for accountants! by email@example.com. Here is an excerpt:
If you follow this blog you’ve read several references to the project balance sheet. So, is this about accounting? Yes, and no: Yes, it’s about a double entry tool to keep track of “mine” and “yours”, but no, it’s not the accountant’s tool used in your father’s accounting office.
The full article is available here.