@inbook{inbook80e6155e, title = {Nature of phonons and isotope effect in 'BA IND.1-X''KX''BI''O IND.3'}, author = {Vashishta, P and Degani, Marcos Henrique and Kalia, R K}, year = {1990}, publisher = {World Scientific}, journal = {Correlations in Electronic and Atomic Fluids} }