@InProceedings{Maas1993,
author="Maas, S.",
title="SIS mixers",
booktitle="Artech House",
year="1993",
address="Boston, MA",
pages="338--340",
optnote="exported from refbase (https://db.rplab.ru/refbase/show.php?record=249), last updated on Sun, 21 Dec 2008 09:21:51 -0600"
}