00277nam a2200109Ia 450000500170000000800410001708200150005810000330007324500150010626000380012130000080015920260205095956.0260111s9999||||xx |||||||||||||| ||und||  a925  N554S  aspangenburg,ray & moser, d k 0aniels bohr  ahyderabadbuniversity pressc1999  a116