Ramamrutham S, Narayan R, . (1991). Design of Steel Structures. Delhi: DHANPAT RAI & SONS.
Ramamrutham S, Narayan R, . 1991. Design of Steel Structures. Delhi: DHANPAT RAI & SONS.
Ramamrutham S, Narayan R, . Design of Steel Structures. Delhi: DHANPAT RAI & SONS. 1991.