@misc{meissner_experimental_results_1993, 
author={Meissner, R.},
title={Experimental results about the influence on the nitrogen-wash out by changing from intensively farmed arable lands into extensivation measures},
year={1993},
howpublished = {conference lecture: Lissabon (P);},
note = {Meissner, R.: Experimental results about the influence on the nitrogen-wash out by changing from intensively farmed arable lands into extensivation measures. In: First SETAC World Congress Ecotoxicology and Environmental Chemistry: A Global Perspective; Abstracts. Lissabon (P). 1993. 228-229.}}