Table and mollier chart for ammonia below -60 degrees F.
Contributors: United States. National Bureau of Standards.
Series: Circular of the Bureau of Standards -- no. 472
Publisher: Government Printing Office
Published: 1948
Place of publication: Washington
Language: eng
Subjects: Ammonia.
Notes: "Issued November 1, 1948."

At head of title: United States Department of Commerce. National Bureau of Standards.