394350 SzGeCERN 20180209114434.0 oai:cds.cern.ch:394350 cerncds:CERN CERN annual report 1999-3.0899 SLAC 3975517 SPIRES 3975517 Inspire 456386 eng Mättig, P The next 20 years Machines for high energy physics 1999 SzGeCERN XX ARTICLE CERN CERN? CERN Weizmann Inst h 199952 a1999 13 20100803 1411 CER01 19990723 319858 1121-1130 jerusalem970819 PUBLIC 000320606CER ARTICLE ConferencePaper