Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleLPB volume 7 issue 3 Cover and Front matter.PublicationLaser & Particle Beams, 1989, Vol 7, Issue 3, pf1ISSN0263-0346Publication typeArticleDOI10.1017/S026303460000728X