OurBigBook
.com (beta)
About
$ Donate
Sign in
Sign up
by
Ciro Santilli
(@cirosantilli,
25
)
2019 redefinition of the SI base units
wiki
Versions of the international System of Units
Discussion (0)
Subscribe (1)
Sign up
or
sign in
create discussions.
There are no discussions about this article yet.
Discussion (0)
Sign up or sign in create discussions.There are no discussions about this article yet.