AUTHOR=Valle J. W. F., De Boer Jan 

TITLE=Grand challenges in high energy and astroparticle physics

JOURNAL=Frontiers in Physics

VOLUME=1

YEAR=2013

URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2013.00005

DOI=10.3389/fphy.2013.00005

ISSN=2296-424X