1.
Energy for our World. 11Th World Energy Conference / World Energy Conference
2.
The London generation division of the Central Electricity Authority / Central Electricity Authority
3.
Maintenance supplies for : rebuilding distribution transformers 5-167 Kva 67 Kv and Below / General Electric
4.
Maintenance supplies for : rebuilding distribution transformers. 5-167 Kva 67 Kv and Below / General Electric