1 “... sampling as an ingenious environmental sampling method to help accomplish observational economy in a...”

2 “... the non-observed economy can be measured and comments on the reliability of and differences between...”

3 “...Measuring the Non-Observed Economy: A Handbook...”

4 “...Measuring the Non-Observed Economy: A Handbook...”

5 Table of Contents: “...Part 1: Physical Processes in Protoplanetary Disks -- Preamble -- Observational Context -- Disk...”

6 Table of Contents: “..., Corruption, and the Non-Observed Economy: A Global Perspective -- Forecasting Inflation with Forecast...”

7 Table of Contents: “...Static and dynamic elements -- Defining the data observability context -- Application or process...”

8 Table of Contents: “... -- Abstract Semantics by Observable Contexts -- Triple Graph Grammars and OCL for Validating System Behavior...”

9 “... helped with the measurement of the non-observed economy in national accounts. This was part of a series...”

10 “... on mass transfer. As a corollary objective, an effort is made to observe context, factual and historical...”

11 “... and the share of each sector in GDP and identified sectors with underestimated levels of non-observed economy...”