Respuestas al mensaje #13

🔧 Site instability resolved. You can report double-posts and broken attachments. For bigger issues, use the Technical Grievances thread.
🇵🇦 Nuestro primer dominio localizado está en español en kiwifarms.pa. Our first localized domain is on Spanish on kiwifarms.pa.

Engineering Mathematics by Bird is in my collection and of course you can also find it on LibGen and other such sites. There the author's paycheck...