Grunow, J., & Huefner, D. (1959). Observations and analysis of snow crystals for proving the suitability as aerological sonde. Deutscher Wetterdienst.
Chicago Style (17th ed.) CitationGrunow, Johannes, and Dieter Huefner. Observations and Analysis of Snow Crystals for Proving the Suitability as Aerological Sonde. Hohenpeissenberg: Deutscher Wetterdienst, 1959.
MLA (9th ed.) CitationGrunow, Johannes, and Dieter Huefner. Observations and Analysis of Snow Crystals for Proving the Suitability as Aerological Sonde. Deutscher Wetterdienst, 1959.
Warning: These citations may not always be 100% accurate.