@article{521331106cf14bb09fa23b04fae7d9d3,
title = "Effect of pasture age on soil trace-gas emissions from a deforested area of Costa Rica.",
keywords = "graslanden, lucht, hygi{\"e}ne, luchtverontreiniging, stikstofoxiden, bosbouw, woeste grond, landgebruik, bossen, relaties, ontbossing, bebossing, broeikaseffect, opwarming van de aarde, costa rica, grasslands, air, hygiene, air pollution, nitrogen oxides, forestry, waste land, land use, forests, relationships, deforestation, afforestation, greenhouse effect, global warming, costa rica",
author = "M. Keller and E. Veldkamp and A.M. Weitz and W.A. Reiners",
year = "1993",
doi = "10.1038/365244a0",
language = "English",
volume = "365",
pages = "244--246",
journal = "Nature",
issn = "0028-0836",
publisher = "Nature",
}