Shopping basket > Review order Currently in your basket Before proceeding to checkout you will need you to either login or create an account. Your items will remain in your basket. USDItem TotalSewage Sludge Incinerator Ash as a Potential Phosphorus Fertilizer for Corn and Soybean (14 words) $11.50RemoveAn In Situ Autonomous Bacterial Pathogen Sensor for Water Quality and Environmental Monitoring Applications (163 words) $11.50RemoveNet total: $23.00VAT: $0.00Gross total: $23.00 Payment info When you click the checkout button, you will be redirected to a secure Paypal page where you can either pay using an existing Paypal account, or pay by card without a Paypal account. Continue shopping We access Visa, Mastercard, Maestro, American Express all through Paypal.