00771nam0-2200265 --450 991024925870332120180112124348.020180112d1972----km y0itay50 baengUSa 001yySymbol sourcebookan authoritative guide to international graphic symbolsHenry DreyfussNew York [etc]McGraw Hillc1972292 p.in gran parte ill.29 cmFront. su due pagineSimboliGrafica302.22220Dreyfuss,Henry293736ITUNINAREICATUNIMARCBK9910249258703321E 1892820DINEDDINEDSymbol sourcebook1503759UNINA