TY - JOUR A1 - Smallwood, B A1 - Philp, R P A1 - Burgoyne, T W A1 - Allen, J T1 - The use of stable isotopes to differentiate specific source markers for MTBE. Y1 - 2000// N1 - R826178 JF - ENVIRONMENTAL FORENSICS J1 - ENVIRON FORENSICS ER - TY - JOUR A1 - Smallwood, B A1 - Philp, R P A1 - Allen, J D T1 - Stable carbon isotopic composition of gasolines determined by isotope ratio monitoring gas chromatography mass spectrometry. Y1 - 2002// N1 - R826178 JF - ORGANIC GEOCHEMISTRY J1 - ORG GEOCHEM VL - 33 IS - 2 SP - 149 EP - 159 ER -