TY  - BOOK
TI  - Methods for the Determination of Metals in Environmental Samples: Environmental Monitoring System Laboratory,U.S.Environmental protection Agency
SN  - 0873718313
U1  - 628.52 MET 
PY  - 1992///
CY  - USA
PB  - C.K.Smokey
N1  - H.B
ER  -