00513cam a22001937a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100002000102245002500122260002800147300001900175490005300194650001900247830005300266CHAP20220329134120.0971013s1977    uk a    r     00010 eng d  a15604  a16576  a20657  cCHAP00aHill, Thomas A.14aThe biology of weeds  aLondon :bArnold,c1977  a64 p.b: ilus. 0aInstitute of Biology's. Studies in biologyv; 8614aMalas hierbas.0 aInstitute of Biology's. Studies in biologyv; 86