'BS2545.E8 H39 1996' => [qw(BS 2545 .E8 H39 1996)],
'NX512.S85 A4 2006' => [qw(NX 512 .S85 A4 2006)],
'QH541.15.C6 C25 2012' => [qw(QH 541.15 .C6 C25 2012)],
'BS2545.E8 H39 1996' => [qw(BS 2545 .E8 H39 1996)],
'NX512.S85 A4 2006' => [qw(NX 512 .S85 A4 2006)],
'QH541.15.C6 C25 2012' => [qw(QH 541.15 .C6 C25 2012)],