000
00281nam a2200121Ia 4500
100
_a
Machinery yellow back series
942
_c
BK
654
_a
Triangles
245
_a
Solution Of Triangles No.16
260
_b
Machinery Publication
_c
2001
082
_a
516.22
546
_a
ENGLISH
999
_c
20424
_d
20424