Standard Reference Materials: Summary of the Biological and Botanical Standards Issued by the -National Bureau of Standards
R. Mavrodineanu, R. Alvarezکال:
1985
خپرندویه اداره:
National Bureau of Standards
ژبه:
english
صفحه:
68
لړ (سلسله):
NBS Special Publication 260-104
فایل:
PDF, 4.66 MB
IPFS:
,
english, 1985