"humphrey, d . "
a shorter intermediate mechanics: / d.. humphrey - ed. - uk : longman 1971. - "vii, 728p.; 22 cm."
0-582-32236-7
--
531. 11 hum
a shorter intermediate mechanics: / d.. humphrey - ed. - uk : longman 1971. - "vii, 728p.; 22 cm."
0-582-32236-7
--
531. 11 hum