TY  - BOOK
AU  -  	Beers, Alexander Petrus Aldegondis. 
TI  - On the mechanism of accommodation : : ultrasonography used to investigate the physiology and pathophysiology of human accommodation in vivo
SN  - 9090095039 
AV  - RE938 BEE 1996
PY  - 1996///
CY  -  	S.l.
PB  -  s.n.
KW  -  	      Accommodatie
ER  -