What is eff?

Some articles on eff:

Nikolay Timofeev-Ressovsky - Selected Literature
... Timoféeff-Ressovsky and O ... Timoféeff-Ressovsky and N ... Timoféeff-Ressovsky Genetische Analyse einer freilebenden Drosophila melanogaster-Population, Development Genes and Evolution Volume 109, Number 1, 70-109 (1927) ...

Famous quotes containing the word eff:

    What we know partakes in no small measure of the nature of what has so happily been called the unutterable or ineffable, so that any attempt to utter or eff it is doomed to fail, doomed, doomed to fail.
    Samuel Beckett (1906–1989)