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Free Access Der Anteil an Honigtau und die elektrische Leitfähigkeit des HonigsHoneydew content and electrical conductivity of honey p. 391 H. Pechhacker DOI: https://doi.org/10.1051/apido:19900502 PDF (460.3 KB)
Free Access L'oeuvre d'Anna MaurizioThe scientific achievements of Anna Maurizio p. 397 J. Louveaux DOI: https://doi.org/10.1051/apido:19900503 PDF (1.330 MB)
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