000
00251nam a2200097Ia 4500
008
220201s1961 xx 000 0 eng d
100
_a
Hoelseher & Springer
245
0
_a
Engg. drawing & geometry
260
_b
USA: John Wiley & Sons
_c
1961
942
_2
ddc
999
_c
70880
_d
70880