@article{Porter_1973, title={A Cech-Hurewicz Isomorphism Theorem for Movable Metric Compacta.}, volume={33}, url={https://www.mscand.dk/article/view/11474}, DOI={10.7146/math.scand.a-11474}, journal={MATHEMATICA SCANDINAVICA}, author={Porter, Tim}, year={1973}, month={Dec.}, pages={90–96} }