000 00282nam a2200109Ia 4500
008 220201s1961 xx 000 0 eng d
100 _aHoelscher, RP & Springer CH
245 0 _aEngg drawing & geometry
260 _bNew York: John wiley & Sons
_c1961
300 _a724
942 _2ddc
999 _c71534
_d71534