TY - JA AU - Friedman,T. AU - Horowitz,M. TI - Biologically active substances in subterranean parts of purple nutsedge SN - 1550-2759 PY - 1971/// N1 - Peer-review: Yes - Open Access: Yes|http://science.thomsonreuters.com/cgi-bin/jrnlst/jlresults.cgi?PC=MASTER&ISSN=0043-1745 T2 - Weed Science ER -