LIOYD , G. &. J. D. (1995). OPTIC SCIENCE: SCIENCE DISCOVERY STORIES. WAYLAND.
Chicago-čujuhus (17. p.)LIOYD , G & JEFFERIS D. OPTIC SCIENCE: SCIENCE DISCOVERY STORIES. ENGLAND: WAYLAND, 1995.
MLA-čujuhus (9. p.)LIOYD , G & JEFFERIS D. OPTIC SCIENCE: SCIENCE DISCOVERY STORIES. WAYLAND, 1995.
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