TY  - BOOK
ED  - E.U.A. Department of Health, Education and Welfare
TI  - Pesticide analytical manual
U1  - 632.95 
PY  - 1968///
CY  - Washington
PB  - Goverment Printing Office
KW  - Resíduos químicos
N1  - La biblioteca tiene : v.1 Methods which detect multiple residues
ER  -