TY  - GEN
AU  - Sanderson,James G
AU  - Moulton,Michael P
AU  - Selfridge,Ralph G
TI  - Null matrices and the analysis of species co-occurrences
SN  - 1432-1939
PY  - 1998///
PB  - Oecologia
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1007/s004420050589
ER  -