000 00314nam a22001217a 4500
082 _a621.3
_bLAN
_cL-12, P-42
100 _aH,R. Langman
245 _aHow to make working diagram models
_cLangman, H.R
260 _aLondon
_bThe technical press ltd.
_c1939
300 _aviii, 73 p.
_bill.
650 _aMCE
942 _cBK
999 _c5632
_d5632