Prockter, C. E.
Kempe's engineer's year-book,1954, Vol .1 - 59th ed. - London Morgan 1954 - xii,1345 p.
Engineering Year Book
620.58 / P9639
Kempe's engineer's year-book,1954, Vol .1 - 59th ed. - London Morgan 1954 - xii,1345 p.
Engineering Year Book
620.58 / P9639