R R Iversen, F F Furstenberg, A A Belzer
How much do we count? Interpretation and error-making in the decennial census
Demography
field design theory methodology rich collection research results taught educational institutions well applied design practices first keynote paper describes methods classify illustrates individual theories methodologies focusing industrial educational use theories methodologies found practically useful mathbased methods methodologies achieve concrete design goals process methodologies educational institutes addition traditional design methodologies also taught paper discusses gap practical educational usages