Phosphenes: a new concept
Bókkon I. Phosphene phenomenon A new concept BioSystems 92 (2008) 168–174
https://www.researchgate.net/publication/5492981_Phosphene_phenomenon_A_new_concept
Bókkon I. Phosphene phenomenon A new concept BioSystems 92 (2008) 168–174
https://www.researchgate.net/publication/5492981_Phosphene_phenomenon_A_new_concept