Frederick A. Praeger, 1957
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Nakladatelstvi. Ceskoslovenske Akademie Ved, 1962
Buku Teks
Taborsky, Edward
Princenton University Press , 1961
Buku Teks
Taborsky, Edward
Princeton University Press, 1961
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Blackwell Publishers for the United Nations Industrial Development Organization, 1992
Buku Teks