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@misc{Seindal94,
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@misc{metapost,
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@techreport{KRm4,
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@techreport{KRpic,
author={Kernighan, B. W. and Richie, D. M.},
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year={1991}}

@misc{gpic,
author={The Free Software Foundation},
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@techreport{dvips,
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@misc{mfpic,
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@misc{pstricks,
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@misc{Johnstone92,
author={Johnstone, A.},
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@misc{Verwer92,
author={Verwer, N.},
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year={1992}}

@book{Goossens97,
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@book{Bentley88,
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@book{Landauer95,
author={Landauer, Thomas K.},
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@misc{Raymond95,
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@misc{Clark99,
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year={1999}}

@book{Sedra97,
author={Sedra, A. S. and Smith, K. C.},
title={Microelectronic Circuits},
address={Oxford},
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