$a Angielski inżynier budownictwa związanym z projektami dotyczącymi inżynierii kolejowej.
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$a Kp. A treatise on the strength of materials / by Peter Barlow. - London, 1867. $b Redaktor, k. tyt.: (A new edition revised by his sons P. W. Barlow and W. H. Barlow)
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$a en.wikipedia, 05.09.19 $b (William Henry Barlow, 10 May 1812 - 12 November 1902 was an English civil engineer of the 19th century, particularly associated with railway engineering projects) $u https://en.wikipedia.org/wiki/William_Henry_Barlow