Lachapelle , E. R. (1969). Field guide to snow crystals. University of washington pr.
Chicago-čujuhus (17. p.)Lachapelle , Edward R. Field Guide to Snow Crystals. London: University of washington pr, 1969.
MLA-čujuhus (9. p.)Lachapelle , Edward R. Field Guide to Snow Crystals. University of washington pr, 1969.
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