Filters And Filtration Handbook R.H Warring 1st Edition 1981 Gulf Publishing Co.

Natural Gas Engineering Handbook [With CDROM] by Guo & Ghalambor Gulf Pub. Co.

Author's Handbook 1995 Paperback) Fifth Edition Gulf Publishing Co

Integrated Circuits: How to Make Them Work NEW R H Warring 1ST EDITION 1979

Process Piping Drafting Third Edition Rip Weaver Gulf Publishing Hardcover

Pipeline Rules of Thumb Handbook 7th Ed by E.W. McAllister, Gulf Professional

Filters and Filtration Handbook, Fourth Edition

Growth & Differentiation In Plants by Warring & Phillips (Third Edition, 1981)