Space Science Reviews, vol. 210: "Solar Magnetic Fields"
Balogh, A. & von Steiger, R. (eds.) "Solar Magnetic Fields: From Measurements Towards Understanding", Space Sci Rev (2017) 210: 1. https://link.springer.com/journal/11214/210/1/
This collection of review papers from the ISSI workshop "Solar Magnetic Fields: From Measurements Towards Understanding", held in February 2015, provides a highly topical overview of the achievements of solar magnetic field measurements in improving the quantitative observational data base for making further progress in solar physics.
Published in this volume of Space Science Reviews and subsequently in the Space Science Series of ISSI (Vol. 57).