"whelan, p m. "
questions on principles of physics: / p.m. whelan - 1 ed. - uk : john murray 1979. - "xi, 234p.; 24 cm."
0 7195 3661 8
--
530. whe
questions on principles of physics: / p.m. whelan - 1 ed. - uk : john murray 1979. - "xi, 234p.; 24 cm."
0 7195 3661 8
--
530. whe