TY - BOOK AU - Farndon,John AU - Dunning,Michael TI - How The Earth Works : : Fascinating Projects and Experiments that reveal the Secrets of the Earth / T2 - EYEWITNESS SCIENCE GUIDES U1 - R/J/371.33/Far PY - 1992/// CY - London PB - Dorling Kindersley KW - Experiments KW - Earth KW - Atmosphere KW - Rocks KW - Soil KW - Oceans KW - ناشؤون صغار (10-14) سنة ER -