A. JamesClarkSchoolofEngineering, University of Maryland. eng.umd.edu. [2023-02-01]. (原始内容存档于2023-06-05). Clarivate Recognizes 30 University of Maryland
[2019-12-11]. (原始内容存档于2020-10-04) –通过新浪. George J. Laurer. A. JamesClarkSchoolofEngineering. University of Maryland. [2019-12-11]. (原始内容存档于2022-01-05). UPC
adding a 13th digit. Laurer retired from IBM in 1987. He holds some 25 patents and is a member of the university’s A. JamesClarkSchoolofEngineering Hall
adding a 13th digit. Laurer retired from IBM in 1987. He holds some 25 patents and is a member of the university’s A. JamesClarkSchoolofEngineering Hall