Sarowha, S. L. S., & Singh, I. Structural investigations of vacuum residues of Indian crude oils.
Lua i Stíl Chicago (17ú heag.)Sarowha, Sukh Lal Singh, agus I.D Singh. Structural Investigations of Vacuum Residues of Indian Crude Oils.
Lua MLA (9ú heag.)Sarowha, Sukh Lal Singh, agus I.D Singh. Structural Investigations of Vacuum Residues of Indian Crude Oils.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.