TY - Generic T1 - Assessing the chronic effects of atmospheric tetrachloroethylene (PER) on plants. Note 48 Y1 - 2000 A1 - Franzaring, J. A1 - Van der Eerden, L.J.M. A1 - Van Dijk, C.J. A1 - Helsper J.P.F.G. A1 - Pikaar P.J.J. A1 - Nijhuis E.H. A1 - Tonneijck A.E.G. JF - Plant Research International PB - Wageningen CY - Netherlands ER -