No. 142 (1992)

DOI: https://doi.org/10.25062/0120-0631.1371

DOI: https://doi.org/10.25062/0120-0631.1372

DOI: https://doi.org/10.25062/0120-0631.1373

DOI: https://doi.org/10.25062/0120-0631.1375

DOI: https://doi.org/10.25062/0120-0631.1377

DOI: https://doi.org/10.25062/0120-0631.1380

DOI: https://doi.org/10.25062/0120-0631.1384

DOI: https://doi.org/10.25062/0120-0631.1386

DOI: https://doi.org/10.25062/0120-0631.1387

DOI: https://doi.org/10.25062/0120-0631.1389

DOI: https://doi.org/10.25062/0120-0631.1392

DOI: https://doi.org/10.25062/0120-0631.1393