Computational & Technology Resources
an online resource for computational,
engineering & technology publications
Purchase Guide
General Information
For most articles (papers or chapters) listed on this resource, the full text is available with online delivery as an Adobe® Portable Document Format (PDF) file. To read and print this kind of files you may require Acrobat® Reader® software which is freely available from Adobe® by following the link behind the image below.

All PDF files are either produced from original production source material or are 300 dpi scans with optical character recognition (OCR) information embedded. The PDF files are supplied without DRM (digital rights management) provisions. However you are not entitled to redistribute the PDF files of articles you have purchased. Please refer to the Terms & Conditions.

Computational Technology Resources uses PayPal as its payment processor.

Pay with PayPal

All articles are sold separately. For purchases of multiple articles, or institutional subscriptions, please contact Computational Technology Resources using the information provided in the contact section. Articles are priced individually in UK Pounds Sterling. The price per article is given on the book description, table of contents and article abstract pages.

Computational Technology Resources is required to charge VAT on sales with digital delivery. The price given already includes the VAT element. If you are a VAT-registered customer based in a EU country other than the UK, and wish to purchase articles VAT-free, please contact Computational Technology Resources using the information provided in the contact section.

PayPal will issue a receipt for your purchase, showing the amount paid. Computational Technology Resources does not issue VAT invoices for sales with digital delivery.

At checkout time, PayPal will authorize the purchase of your article (paper or chapter) from the payment information you have supplied to PayPal. Once authorization has been received, a link will be provided to download your article. You will also receive an email acknowledgement of your purchase that provides a link to your purchase receipt from which you can access the article. The article download link will remain active for 72 hours after your purchase. We recommend that you download a copy of the article as soon as possible. You may download the article during this period, but you may only print one hard copy of the downloaded article.
Refund Policy
Computational Technology Resources is unable to accept returns of downloaded articles (papers or chapters). Please ensure that you are ordering the correct article before clicking the PayPal button as downloaded articles are non-refundable. If for some reason the article is unavailable, or the link provided proves to be not working, please contact Computational Technology Resources within 72 hours of your purchase. We will attempt to provide you with the article by email. If, however, due to our fault the article is still not available, we will issue a full refund to your PayPal account.
Terms and Conditions
The terms and conditions for the use of the site, including the sale of articles (papers and chapters) with electronic delivery as PDFs are in the Terms and Conditions