[1]
ozawa, i. 1965. On the Extensometer Whose Magnifier is a Zollner Suspension Type Tiltmeter, and the Observation of the Earth’s Strains by Means of the Instruments. Annals of Geophysics. 18, 3 (Nov. 1965), 263–278. DOI:https://doi.org/10.4401/ag-5505.