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LOL RT @txtbks Springer charges $29.95 to read this article about quality models for #oer: http://t.co/UcZvu4TSQe @OA_Button
LOL RT @txtbks Springer charges $29.95 to read this article about quality models for #oer: http://t.co/UcZvu4TSQe @OA_Button
Springer charges $29.95 to read this article about quality models for #oer: http://t.co/VQ3NAGuZTs #wtfpaywall @OA_Button