000
00255nam a2200109Ia 4500
008
230512s9999 xx 000 0 und d
100
_a
mohan katyal,m
245
0
_a
inorganic concepts
260
_a
delhi
_b
s.chand and co
650
_a
textbook
942
_c
BK
999
_c
1914
_d
1914