Calculos Quimicos Benson Pdf [repack] -

I'm assuming you are referring to the book "Chemical Calculations: The Hartree-Fock Method with the Chemical Bond as a Guiding Concept" by H. Benson Harris (also known as Harold Benson) but likely you are referring to Frank Benson or more likely still, possibly Hugh C. Benson or possibly just plain Benson in some document not easily referenced.

I think likely By Benson

by Harris.

You are actually likely referring to "Chemical Calculations" by Frank C. Benson

A widely used reference on chemical calculations is:

The second "edition or so" By Frank Benson and possibly other authors titled

However I think I have found what you are really after.

But I think I actually found..