TY  - DATA
AU  - J.N. Crossley; A. Nerode
TI  - Combinatorial Functors
SN  - 9783642859335
PY  - 1974///
PB  - Springer Berlin Heidelberg
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-3-642-85933-5
ER  -