%0 Journal Article %T Study on the detection arm accuracy of a leaf spring caliper for detecting internal convex defects in gas pipelines %A Wang, Hao %A Zhu, Xiaoxiao %A Fang, Yang %A Zhang, Hang %A Zhang, Shimin %J Measurement Science and Technology %V 29 %N 8 %P 17 %@ 0957-0233 %D 2018-08-01 %~ DeepDyve