Feather, N.
Matter and motion / by N. Feather. - Harmondsworth, [Eng.] : Penguin Books, c1970. - 195 p. : ill. - Penguin library of physical sciences: Physics . - Penguin education. .
0140801286
Matter--Properties.
Motion.
Matter and motion / by N. Feather. - Harmondsworth, [Eng.] : Penguin Books, c1970. - 195 p. : ill. - Penguin library of physical sciences: Physics . - Penguin education. .
0140801286
Matter--Properties.
Motion.