By Machado J.   Duarte Gonçalo   Duarte Fernando   in Nonlinear Dynamics

ISSN:0924-090X|63|4|611-622

Springer Publishing Company ‎(2011)‎

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By Duarte Fernando   Tenreiro Machado J.   Monteiro Duarte Gonçalo   in Nonlinear Dynamics

ISSN:0924-090X|61|4|691-705

Springer Publishing Company ‎(2010)‎

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By Reis Maria Helena de Almeida   Vilar Duarte Gonçalo Rei   in Sex Education

ISSN:1468-1811|6|2|185-192

Routledge Ltd‎(2006)‎

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