Selected Period:
Research Trend of Displacement Method by publications
The trends are simply estimated by the number of publications of the given keyword(s). The citations are for the papers published in the given year, not the number of citations in that year. The search is based on major keywords highlighting the main theme of the paper to exclude terms marginally mentioned in the text.

Research Trends of Displacement Method by citations
The number of publications as a function of their corresponding citations for the keyword Displacement Method