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nstl foreign works backtracking database

date: 2017-08-15

the national science and technology library selectively introduced foreign works backtracking database to make up for the uncovered science and technology resources produced in early times. currently, the database includes springer backtracking database, nature backtracking database, oup backtracking database, iop backtracking database, and turpion backtracking database. the number of journals covered is 1122, divided into 20 categories with the total amount of more than 3 million.