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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (238.896 KB) | DOI: 10.14238/pi58.5.2018.257-62
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (440.395 KB) | DOI: 10.14238/pi29.11-12.1989.241-4
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (984.836 KB) | DOI: 10.14238/pi34.5-6.1994.141-8
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1022.707 KB) | DOI: 10.14238/pi34.7-8.1994.221-30
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Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14238/pi63.3.2023.173-80