摘要
Aircraft measurements of nitrogen and phosphorus in and around the lake Tahoe basin: implications for possible sources of atmospheric pollutants to lake Tahoe；Amperometric determination of urca and acetic acid using electrodes coated with tri-enzyme/polydimethylsiloxane bilayer membranes;An ethnoarchaeological perspective on the lnaterial and chemical residues of communal feasting at E1 coyote, northwest
