TY  - BOOK
AU  - Becker, Helaine
TI  - Counting on Katherine: how Katherine Johnson put Astronauts on the moon 
SN  - 9781529005592
PY  - 2019///
CY  - London
PB  - Macmillan Children's Books
KW  - Johnson, Katherine G
KW  - Juvenile Literature
ER  -