level codeAuthorsAuthors and affiliationsMartin H. WeikReference work entryFirst Online: 30 November 2017DOI: https://doi.org/10.1007/1-4020-0613-6_10107 29 Downloads How to citeSee modified nonreturn-to-zero-level code.Copyright information© Kluwer Academic Publishers 2000Authors and AffiliationsMartin H. WeikThere are no affiliations available