00382nam 2209849 45000010005000000030023000050050009000280080041000370200014000781000036000922600048001285000027001763000013002032450022002169849StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a0031-9120 aInstitute of Physics Publishing bU.K: Institute of Physics Publishing c2001 awww.iop.org/journal/pe a171-277p aPhysics Education