Gupta, R.R. .
Heterocyclic chemistry / by R.R. Gupta... et al. . - New York : Springer-Verlag , 2005 - 2 vol ;
81-8128-220-5
Chemistry- Heterocyclic
E8 / N8.2;1
Heterocyclic chemistry / by R.R. Gupta... et al. . - New York : Springer-Verlag , 2005 - 2 vol ;
81-8128-220-5
Chemistry- Heterocyclic
E8 / N8.2;1