APA-čujuhus (7. p.)

Berlin), 4. P. S. E. C. (. :., Palz, W., & Van Overstraeten, R. J. Photovoltaic solar energy conference.

Chicago-čujuhus (17. p.)

Berlin), 475367 Photovoltaic Solar Energy Conference (1979 :, W. Palz, juo R. J. Van Overstraeten. Photovoltaic Solar Energy Conference.

MLA-čujuhus (9. p.)

Berlin), 475367 Photovoltaic Solar Energy Conference (1979 :, et al. Photovoltaic Solar Energy Conference.

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