1 - 2 of 2 results for "William Leffler"

Title: Petroleum Refining in Nontechnical Language, Fourth Edition / Edition 4, Author: William Leffler
Hardcover $74.66 $95.00 Current price is $74.66, Original price is $95.00.
Title: Natural Gas Liquids: A Nontechnical Guide, Author: William Leffler
Hardcover $87.89 $95.00 Current price is $87.89, Original price is $95.00.