00480nam a2200181Ia 4500 CTU_80015 210402s9999 xx 000 0 und d 523.1 P924 Preiss, Byron The Universe Byron Preiss; Andrew Fraknoi scientific editor New York Bantam Books 1987 Cosmology Trọng Hải Trung tâm Học liệu Trường Đại học Cần Thơ