Mesozoic and Tertiary Geology of Southern Africa - Dingle, R.V. a Siesser, W.G. a Newton, A.R.16 250 Kč
Energy Problem, The - Stein, Richard S (Univ Of Massachusetts At Amherst, Usa) a Powers, Joseph (Retired, United Technologies Corp, Usa)980 Kč
Riparian Areas - National Research Council a Division on Earth and Life Studies a Board on Environmental Studies and Toxicology a Water Science and Technology Board a Committee on Riparian Zone Functioning and Strategies for Management1 997 Kč