Baxter, Eric.
The Study of Gas / by Eric Baxter ; drawings by Margery Gill. - London : The Bodley Head, c1961. - 48 p. : ill. - Study books .
0370008243
Gas.
The Study of Gas / by Eric Baxter ; drawings by Margery Gill. - London : The Bodley Head, c1961. - 48 p. : ill. - Study books .
0370008243
Gas.