@ARTICLE {INGELBRECHT: 1994, title = {Posttranscriptional silencing of reporter transgenes in tobacco correlates whit DNA methylation}, author = {Ingelbrecht, I. and Van Houdt, H. and Van Montagu, M. and Depicker, A. }, journal = {Proceedings of the National Academy of Sciences of the United States of America (PNAS)}, year = {1994}, volume = {91}, pages = {10502--10506}, }