• CONDUCTIVE INTERFERENCE IN RAPID TRANSIT SIGNAL SYSTEMS
- UMTA-MA-06-0153-85-5
- UMTA-MA-06-0153-85-6
• INDUCTIVE INTERFERENCE IN RAPID TRANIST SIGNALING SYSTEMS
- UMTA-MA-06-0153-85-7
- UMTA-MA-06-0153-85-8
- UMTA-MA-06-0153-85-9
• RADIATED INTERFERANCE IN RAPID TRANSIT SYSTEMS
- UMTA-MA-06-0153-85-10
- UMTA-MA-06-0153-85-11
• BRITISH STANDARD EN 50121-3-1:2006
STANDARD PRACTICES OF MAGNETIC FIELD MEASUREMENT