McGraw-Hill, .
Yearbook of Science and Technology 1973 / - Reprinted 1974 / - New York : McGraw-Hill Book Company. - p.465 :
07-045341-1
AK73,N60 / L4
Yearbook of Science and Technology 1973 / - Reprinted 1974 / - New York : McGraw-Hill Book Company. - p.465 :
07-045341-1
AK73,N60 / L4