×
Log in
Get Started
Travel
Technology
Sports
Marketing
Education
Career
Social Media
+ Explore all categories
Report -
P.J. Pells, Z.T. Bieniawski, S.R. Hencher, and S.E. Pells · ARTICLE Rock quality designation (RQD): time to rest in peace P.J. Pells, Z.T. Bieniawski, S.R. Hencher, and S.E. Pells
Select
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Please pass captcha verification before submit form