Simon J. Clemett, Maria T. Dulay, J. Seb Gillette, Xavier D. F. Chillier, Tania B. Mahajan and Richard N. Zare
Possible sources of terrestrial contamination are considered for the observation of polycyclic aromatic hydrocarbons (PAHs) in the Martian meteorite ALH84001. Contamination is concluded to be negligible.