00697nam a2200193Ia 4500 0000000778 20251012174408.0 950816s1995 onc b 000 0 eng d 0889367361 d------ Q180.55.D57 S68 1995 509.172/4 20 Southern lights celebrating the scientific achievements of the developing world David Spurgeon. Ottawa, ON, Canada International Development Research Centre c1995. ix, 137 p. 23 cm. Includes bibliographical references (p. [129]-137). Discoveries in science Developing countries. Technology Developing countries. 2619 2619