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다국어입력
1
Lenk, John D, 568.86-L566l | McGraw-Hill Book Company | 1990 568.86-L566l,
2
Lenk, John D., 567.01-L566h | Prentice Hall | 1982 567.01-L566h,
3
Lenk, John D, 568.8-L566c | Prentice-Hall | 1989 568.8-L566c,
4
Lenk, John D., 555.84-L556a | McGraw-Hill | 1991 555.84-L556a,
5
Lenk, John D., 555.84-L566l | McGraw-Hill | 555.84-L566l,