What is heat penetration and their study factors?

Kindly give me PDF of second and third papers so I have ease to read ,please share link or file .

@nanoscientist said in question #2636:

Heat transfer analysis of canned food sterilization in a still retort

Not sure if that is allowed since its a published article.
could type in your email id and would that be good to send you the PDF directly.
regards

Thanks but I already try but not received yet if you have so kindly share this link