"avery, j h. "
objective tests in ordinary level physics with s.i.units: / j.h. avery - 1 ed. - uk : h.e.b. 1969. - ", 55p.; 21 cm."
0 435 67042 5
QC32 / .A94 1969
objective tests in ordinary level physics with s.i.units: / j.h. avery - 1 ed. - uk : h.e.b. 1969. - ", 55p.; 21 cm."
0 435 67042 5
QC32 / .A94 1969