00486nam a2200157Ia 4500 CTU_34101 210402s9999 xx 000 0 und d 530.076 O.54/1998 Olympic cơ học toàn quốc lần thứ mười - 1998 Hà Nội Hội Cơ Học 1998 mechanics - problems, exercises, etc Minh, 991125 Trung tâm Học liệu Trường Đại học Cần Thơ