000
00268nam a2200109Ia 4500
008
190703s9999 xx 000 0 und d
082
_a
691 S964
100
_a
SUSHIL KUMAR
245
0
_a
ENGINEERING MATERIALS
260
_a
NEW DELHI
_b
Metropolitan Books
942
_c
BB
_2
DDC
999
_c
5984
_d
5984