@article{paperid:1065034,
author = {Aligholi, Saeed and Lashkaripour, Gholam Reza and Ghafoori, Mohammad and Tarigh Azali, Sadegh},
title = {Evaluating the Relationships Between NTNU/SINTEF Drillability Indices with Index Properties and Petrographic Data of Hard Igneous Rocks},
journal = {Rock Mechanics and Rock Engineering},
year = {2017},
volume = {50},
number = {11},
month = {July},
issn = {0723-2632},
pages = {2929--2953},
			numpages = {24},
keywords = {Igneous rock;  Drillability ; NTNU/SINTEF; Semiautomatic petrography;  Index properties; 
Multivariate regression analysis},
}