00486nam a2200157Ia 4500 CTU_29389 210402s9999 xx 000 0 und d 025.344 S769 Springer in print '95/'96 Berlin Springer 1995 Tìm kiếm tài nguyên thông tin điện tử,Electronic information resource searching Minh, 990331 Trung tâm Học liệu Trường Đại học Cần Thơ