TY  - DATA
AU  - Freddy Christiansen; T.M. Fenchel
TI  - Measuring Selection in Natural Populations
SN  - 9783642930713
PY  - 1977///
PB  - Springer Berlin Heidelberg
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-3-642-93071-3
ER  -