000 00725nam a2200265Ia 4500
001 Para_4553
003 CHAP
008 220125s1947 xx 000 0 und d
010 _a203034
040 _cCHAP
090 _aPA FOLLETO 1836
100 _aRoark, R. C
_9168321
245 _aA digest of information on hexaethyl tetraphosphate /
_c R. C. Roark
260 _aWashington :
_b Department of Agriculture
300 _a12 h.
440 _aEUA. Dept. of Agriculture E-721
_938780
650 _aInsecticidas
_958855
901 _aPA FOLLETO 1836
902 _aA
905 _a0000001947 WAS 0000000000 00
910 _a1947
942 _cPARA
942 _cPARA
_d1
999 _c203034
_d203034