@misc{the+use+of+two+axis+high+precision+inclination+sensors+in+determining+headframe+deflection, author = {Jaśkowski, Wojciech i Jabłoński, Mateusz i Ulmaniec, Małgorzata i Paraszczuk, Krzysztof}, title = {The use of two-axis high precision inclination sensors in determining headframe deflection}, journal = {E3S Web of Conferences}, publisher = {EDP Sciences}, date = {2018}, number = {Vol. 36 (02003)} }