000 00756nam a2200253Ia 4500
001 Para_7534
003 CHAP
008 220125s1971 xx 000 0 und d
010 _a206461
040 _cCHAP
082 _aPA 632.58 W47
110 _aWeed Science Society of America
_9121328
245 _aDirectory of personnel engaged in weed science :
_b United States, Canada, Puerto Rico, México /
_c by Weed Science Society of America
260 _as.l. :
_b s.e.
300 _a95 p.
650 _aMalas hierbas
_x investigación
_xdirectorios
_970023
901 _aPA 632.58 W47
902 _aA
905 _a0000001971 0000000000 00
910 _a1971
942 _cPARA
942 _cPARA
_d1
999 _c206461
_d206461