World list of abbreviations of scientific technology and commercial organizations
Buttress, F A
World list of abbreviations of scientific technology and commercial organizations - London: Leonard Hill Limited, 1954 - ix, 261p.
Scientific
Technology
R 03=20(5:38) / J4
World list of abbreviations of scientific technology and commercial organizations - London: Leonard Hill Limited, 1954 - ix, 261p.
Scientific
Technology
R 03=20(5:38) / J4