"zimmerman, o t. "
"scientific and techical abbreviations, signs and symbols: / o.t. zimmerman" - 2 ed. - dover : industrial research serv. 1949. - "xiv, 541p.; 21 cm."
science - dictionaries
Q179 / .Z56 1949
"scientific and techical abbreviations, signs and symbols: / o.t. zimmerman" - 2 ed. - dover : industrial research serv. 1949. - "xiv, 541p.; 21 cm."
science - dictionaries
Q179 / .Z56 1949