00524nam a2200193Ia 4500 CTU_148845 210402s9999 xx 000 0 und d 530.03 P238 Parker, Sybil P. McGraw-Hill encyclopedia of physics Sybil P. Parker New York McGraw-Hill 1993 Vật lý,Physics Bách khoa,Encyclopedia Tuyến Trung tâm Học liệu Trường Đại học Cần Thơ