共 50 条
- [12] The risk of eating: The toxicity of natural versus man-made chemicals. CHEMISTRY OF CROP PROTECTION: PROGRESS AND PROSPECTS IN SCIENCE AND REGULATION, 2003, : 63 - 68
- [18] Geodesic domes: natural and man-made International Journal of Space Structures, 1996, 11 (1-2): : 13 - 25
- [19] PARTICLES IN ATMOSPHERE - NATURAL AND MAN-MADE ATMOSPHERIC ENVIRONMENT, 1974, 8 (11) : 1069 - 1079