"humprey, d . "
intermediate mechanics: / d.. humprey - ed. - uk : longman 1971. - "viii, 536p.; 22 cm."
0 582 32237 5
mechanics
531. 11 hum
intermediate mechanics: / d.. humprey - ed. - uk : longman 1971. - "viii, 536p.; 22 cm."
0 582 32237 5
mechanics
531. 11 hum