| Title | Rock strength estimation: a PSO-based BP approach | 
| Publication Type | Journal Article | 
| Authors | E Mohamad, T, D Armaghani, J, Momeni, E, Yazdavar, AH, Ebrahimi, M | 
| Title | Rock strength estimation: a PSO-based BP approach | 
| Publication Type | Journal Article | 
| Authors | E Mohamad, T, D Armaghani, J, Momeni, E, Yazdavar, AH, Ebrahimi, M |