ENGLISH FOR TODAY SECOND EDITION BOOK FOUR: OUR CHANGING TECHNOLOGY
WILLIAM R.SLAGER1975 年出版174 页ISBN:0070458138
THE ROLE OF PATENT INFORMATION IN THE TRANSFER OF TECHNOLOGY
F.A.SVIRIDOV1981 年出版267 页ISBN:0080275559
AIR POLLUTION CONTROL TECHNOLOGY AN ENGINEERING ANALYSIS POINT OF VIEW
ROBERT M.BETHEA1978 年出版449 页ISBN:0442207158