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Walker, enclosed, four sided framed, rigid or folding, wheeled with posterior seat

 
National Institutes of Health

Papers overview

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2017
2017
A flexible riverbed protection called tetrahedron framed permeable weirs (TFPW) is proposed to protect riverbeds in mountainous… Expand
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2013
2013
In lieu of an abstract, here is a brief excerpt: More than two decades of intense research on motion event typology, emanating… Expand
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2012
2012
Este trabalho objetiva, a partir de uma perspectiva marxista, refletir sobre a possibilidade de, em se criticando a sociedade… Expand
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2007
2007
Genetic Algorithms (GAs) are population based stochastic s earch procedures which have been widely applied in several difficult… Expand
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1997
1997
This paper proposes a new approach for determining optimal obstacle-avoiding paths in a dynamic 2D environment. The dynamic 2D… Expand
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