Standard Reference Materials: Summary of the Biological and Botanical Standards Issued by the -National Bureau of Standards
R. Mavrodineanu, R. Alvarezसाल:
1985
प्रकाशन:
National Bureau of Standards
भाषा:
english
पृष्ठ:
68
श्रृंखला:
NBS Special Publication 260-104
फ़ाइल:
PDF, 4.66 MB
IPFS:
,
english, 1985