TY  - RPRT
TI  - ANOTHER LOOK AT THE SINGLE-ACTIVE-X HYPOTHESIS.
AU  - L B RUSSELL
PY  - 1964
DO  - 10.1111/j.2164-0947.1964.tb01939.x
UR  - https://pubmed.ncbi.nlm.nih.gov/14155929/
ID  - 14155929
ER  -