The description and analysis of system stability and change: Multi-level concepts and methodology Tom BaumgartnerTom R. BurnsL. David Meeker OriginalPaper Pages: 287 - 328
Potentials and pitfalls of path analysis: A tutorial summary Michael K. Miller OriginalPaper Pages: 329 - 346
Variables — Observable, objective, measurable and constructed G. J. Boris Allan Note Pages: 347 - 350