Søk: 'workers'
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A Beekeeper's Guide to Queens, Drones and Workers in the Hive - A Collection of Articles on Types of Bees and Their Roles in the Hive
ISBN 9781446542668 , 2011 , Various
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Individual Monitoring for Internal Exposure of Workers: Replacement of ICRP Publication 54 : Adopted by the Commission in May 1997
ISBN 9780080427508 , 1998 , ICRP,m.fl.