@article{JRAM_1982__335_152462,
     author = {Manfred Knebusch and Hans Delfs},
     title = {On the homology of algebraic varieties over real closed fields.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {122--163},
     publisher = {mathdoc},
     volume = {335},
     year = {1982},
     zbl = {0484.14006},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1982__335_152462/}
}