00537nam a2200205Ia 450000500170000000800410001702000180005804100080007608200090008410000220009324500460011525000060016126400430016730000260021065000060023665500140024270000250025670000260028170000240030720260922095439.0260922s9999    xx            000 0 und d  a0-7166-6303-1  aeng  a032.1 aAITCHISON, Martin10aDiscovering Gases 3b: Young Scientist 3   a0  aLondonbWorld Book Internationalc1994  a62 hlm.bilus.c27 cm 4a0  aGrade 7-91 aJeremy Gowereauthor1 aLouise Martineauthor1 aSue Barclayeauthor