Uma, S Bhatnagar .
Electrical engineering equipments, Part 1 / Textual Documents Uma S Bhatnagar. - 1 / . - Mumbai : Asia Publishing House , 1966. - 198 ; .
621.3 / UMA/EL
Electrical engineering equipments, Part 1 / Textual Documents Uma S Bhatnagar. - 1 / . - Mumbai : Asia Publishing House , 1966. - 198 ; .
621.3 / UMA/EL