Puri B. S. K. E., . (2003). Principles of Inorganic Chemistry Vol-1. : .
Puri B.R Sharma,L.R Kalia,K.C Ed, . 2003. Principles of Inorganic Chemistry Vol-1. : .
Puri B.R Sharma,L.R Kalia,K.C Ed, . Principles of Inorganic Chemistry Vol-1. : . 2003.