00343nam a2200109Ia 4500008004100000020001800041082001600059100001100075245008600086260004700172300001400219191014s9999    xx            000 0 und d  a981-02-3612-3  a539.72bNAT  aP Nath 0aProceedings of the Sixth International Symposium Particles Strings and Cosmology   aSingaporebWorld Scientific Company c1998  aXviii,856