TY  - RPRT
TI  - Diphasic and polyphasic temporal modulations multiply apparent spatial frequency.
AU  - V Virsu
AU  - G Nyman
AU  - P K Lehtiö
PY  - 1974
DO  - 10.1068/p030323
UR  - https://pubmed.ncbi.nlm.nih.gov/4459828/
ID  - 4459828
ER  -