00404nam a2200157Ia 4500008004100000041001200041082000800053082001200061100003900073100001100112245004000123260001100163260003900174260000900213650002400222150909s9999    xx            000 0 und d  aEnglish  a660  bILNT/PE  aInternational Atomic Energy Agency  eAuthor  aPeaceful uses  of atomic energy V.4  aVienna  bInternational Atomic Energy Agency  c1972  aChemical technology