TY  - BOOK
AU  - Alpins,Noel
TI  - Practical astigmatism: planning and analysis 
SN  - 9781617119958
PY  - 2018///], ©2018
CY  - Thorofare, New Jersey
PB  - Slack Incorporated
KW  - Astigmatism
KW  - surgery
N1  - Includes bibliographical references and index
ER  -