Gnadic , Peter .
200 puzzling Physics problems / by Peter Gnadig . - UK Cambridge PUblisher 2008 . - xiii 69 p.;
9780521540780
530.076 / GNA
200 puzzling Physics problems / by Peter Gnadig . - UK Cambridge PUblisher 2008 . - xiii 69 p.;
9780521540780
530.076 / GNA