Gename, K. and Monge-Nájera, J. (2012) “How organisms reach and colonize bromeliads: a field experimental test of two of Picado’s hypotheses, and the effect of tree age and cardinal distribution on bromeliads in Cartago, Costa Rica”, UNED Research Journal, 4(2), pp. 181–186. doi: 10.22458/urj.v4i2.6.