@incollection{Pan11,
author = {Deli Gao and Qifeng Pan},
title = {Evaluation Method for Anisotropic Drilling Characteristics of the Formation by Using Acoustic Wave Information},
booktitle = {Acoustic Waves},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Marco G. Beghi},
chapter = {7},
doi = {10.5772/18921},
url = {https://doi.org/10.5772/18921}
}