TY  - GEN
ED  - British Standards Institution,
TI  - BS : 4752 : part 1 : 1977 : specification for switchgear and controlgear for voltages up to and including 1000 V a.c. & 1200 V d.c. - Part 1 : circuit breakers
PY  - 1977///
CY  - London
PB  - BSI
N1  - STD1856
ER  -