%0 Journal Article
%T Research efficiency in relation to investment
%A Rull
%A V.
%J Collectanea Botanica
%D 2011
%I Consejo Superior de Investigaciones Cient¨ªficas
%U http://collectaneabotanica.revistas.csic.es/index.php/collectaneabotanica/article/view/191/193