CHILDS, W.H.J.
Physical constants: selected for students / W.H.J.Childs - 9th ed. - London Chapman and Hall 1972 - 107 p.
Measurement
Weights and measures
530.81 / CHI
Physical constants: selected for students / W.H.J.Childs - 9th ed. - London Chapman and Hall 1972 - 107 p.
Measurement
Weights and measures
530.81 / CHI