00911nam a2200217Ia 4500 CTU_115947 210402s9999 xx 000 0 und d 70.28 550 S745 Spencer, Edgar W. Earth science : Understanding environmental systems Edgar W. Spencer Boston McGraw-Hill 2003 Earth Science: Understanding Environmental Systems is intended for introductory courses in Earth Science and Earth Systems Science, which place emphasis on the systems approach to earth science with special attention to the impact these systems have on the environment. It is appropriate for non-science majors with no previous college science or mathematics courses Earth sciences Vương Trung tâm Học liệu Trường Đại học Cần Thơ