H.R. 5000--recyclable materials [microform] : plastics in the environment : hearing before the Subcommittee on Natural Resources, Agriculture Research, and Environment of the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundredth Congress, second session, August 10, 1988.

"No. 132."

Mass-transport characteristics of zeolite cracking catalysts : final report /

"FE-0651-1."

Annotated bibliography on ruthenium, rhodium and iridium as catalysts; selected references with abstracts, 1881 to June, 1959.

Mode of access: Internet.