"plants, helen l. "
programmed topics in statics and strength of materials: / helen.l. plants - 1 ed. - usa : mcgraw-hill 1966. - "viii, 178p.; 23 cm."
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620. 112 pla
programmed topics in statics and strength of materials: / helen.l. plants - 1 ed. - usa : mcgraw-hill 1966. - "viii, 178p.; 23 cm."
--
620. 112 pla