. . . . . . . . "Biography" . . . . . . . . . . . . . . "New trends in heterocyclic chemistry : In commemoration of the 60th birthday of Bal Dattatraya Tilak" . . . . . . . "New trends in heterocyclic chemistry" . "Heterocyclic compounds, Addresses, essays, lectures." . . "Heterocyclische Verbindungen." . . "composé hétérocyclique [études diverses]" . . "Compuestos heterocíclicos." . . "Heterocyclic chemistry." . . "Chemists Biography India." . . "Chimie des composés hétérocycliques." . .