18 research outputs found
Private concession contracts for toll roads in Spain: analysis and recommendations.
Full text linkSpain has a long history of using the private sector to help build and operate public infrastructure, particularly roads. This article presents new data about toll motorways. The authors found that contracts in Spain are characterized by significant traffic overestimations and frequent renegotiations, which can lead to toll modifications or longer contracts. They suggest reasons for this and some solutionsâboth of which have significance for other countries
FLORAE MALESIANAE PRECURSORES-VI Malpighiaceae malesianae novae
No full textSix new species of Malpighiaceae are described,five of Hiptage Gaertn. and one of Aspidopterys Juss.A new subdivision of the genus Hiptage Gaertn.is proposed, with three new combinations for sections and two new names for subsections
Le groupe spécifique du <i>Centaurea paniculata</i> L. <i>sensu lato</i>
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Pentafluoroethylation of Arenediazonium Tetrafluoroborates Using OnâSite Generated Tetrafluoroethylene
No full textMeasurement and modelling of adsorption equilibrium, adsorption kinetics and breakthrough curve of toluene at very low concentrations on to activated carbon
No full textSu una nuova associazione dei Pegano-Salsoletea osservata presso Porto Empedocle (Agrigento)
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