TY - BOOK AU - Shirshov, I.P., ed. AU - Tweney, C.F., ed. TI - Hutchinsons technical and scientific encyclopedia: terms, processes, data in pure and applied science: construction and engineering U1 - R 503 21st ed. PY - 1000///?] CY - London PB - Hutchinsons Technical and Scientific Book KW - Science-Encyclopedias and dictionaries KW - Technical-Encyclopedias and dictionaries N1 - Part 21-30 (F-I) ER -