@misc{_BPYP,
 howpublished={online},
 publisher={Instytut Technologii Elektronowej},
 language={ger},
 title={BPYP 51},
 type={katalog},
 keywords={fotodiody, fotodiody lawinowe, optokoppler, BPYP 15, BPYP 51, CQ 32BP},
}