1
Liquefied petroleum gases : guide to properties, applications, and uses /
Book
Other Personal Name(s): ...Williams, A. F....
2
A Theoretical Approach to Inorganic Chemistry [E-Book] /
Other Personal Name(s): ...Williams, A. F....

Full text 
3
Substitute natural gas : manufacture and properties /
Book
Other Personal Name(s): ...Williams, A. F....