00401nam a2200157Ia 4500 20336 140408s9999 xx 000 0 und d 0-7513-5936-x PK-LaUMT 540 GCS- GCSE science chemistry for single and double awards [+CD] London,UK: Dorling Kindersley, 1999 137 p. CD EN BK 20681 20681 0 0 0 0 01 01 2014-04-08 0 540 GCS- 23707 2014-04-23 00:00:00 2014-04-23 BK