cam a22 u 4500 128589566 CHVBK 20200921121513.0 880212s1980 xxu | 00 |eng|d NBS-BSS-122 (OCoLC)251870230 (NEBIS)000211495 ETH-BIB ger ETH-BIB ETHICS-ISBD A Study of lumber used for bracing trenches in the United States by Lawrence I.Knab a.o Washington U.S.Government printing Office 1980 [221] p. fig.; tab.; diagr. NBS building science series 122 122 (NEBIS)000012202 126431388 HOLZ (BAUSTOFFE) ger (ETHUDK)000035010 ethudk u HOLZ (BAUSTOFFE) ger 691.11 nebis E1 u WOOD + TIMBER (BUILDING MATERIALS) eng 691.11 nebis E1 u BOIS (MATÉRIAUX DE CONSTRUCTION) fre 691.11 nebis E1 Knab Lawrence I. 20. Jht. (DE-588)1089198310 BK020000 XK020000 XK020000 NEBIS E16 E16 RH P A 5099: 122 NEBIS 490 -- NBS building science series 122 122 (NEBIS)000012202 126431388 NEBIS 700 1- Knab Lawrence I. 20. Jht (DE-588)1089198310 SWISSBIB 12854662X