TY - GEN AU - Poreda,Robert J AU - Becker,Luann TI - Fullerenes and interplanetary dust at the Permian-Triassic boundary SN - 1531-1074 PY - 2004///0122 KW - Dust KW - Fullerenes KW - analysis KW - Geologic Sediments KW - chemistry KW - Graphite KW - Helium KW - Magnetics KW - Neon KW - Planets KW - Trace Elements N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1089/153110703321632435 ER -