000
00284nam a2200121Ia 4500
001
78301
008
240126s9999||||xx |||||||||||||| ||und||
245
0
_a
CU18-Tetrahedron with carbon atom inside
260
_a
Hyderabad
260
_b
Creative Educators
260
_c
1990
942
_c
BK
999
_c
78301
_d
78301