G.S. · G. S. Upadhyaya · Gopal Shankar Upadhyaya · S.U.
| title | ISBN-13 (ISBN-10) | year of publication | 
|---|---|---|
| Cemented Tungsten Carbides: Production, Properties and Testing | 978-0-8155-1417-6 (0-8155-1417-4) | 1999 | 
| Sintered Metallic and Ceramic Materials: Preparation, Properties and Applications | 978-0-471-98155-8 (0-471-98155-9) | 2000 |