Slovensky neviem, ale česky snáď nie je problém, takže:
http://knihy.cpress.cz
Ono je to tak, že ak vydáš knihu v češtine, vydáš ju pre 15-miliónový československý trh. V slovenčine ju však predáš len na 5-miliónovom Slovensku. To je dôvod, prečo sa niektoré knihy od slovenských autorov vydávajú v češtine a potom dovážajú na Slovensko.

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A. S. Tanenbaum píše:
The terms LF, MF, and HF refer to low, medium, and high frequency, respectively. Clearly, when the names were assigned, nobody expected to go above 10 MHz, so the higher bands were later named the Very, Ultra, Super, Extremely, and Tremendously High Frequency bands. Beyond that there are no names, but Incredibly, Astonishingly, and Prodigiously high frequency (IHF, AHF, and PHF) would sound nice.