000
00269nam a2200097Ia 4500
008
150310s9999 xx 000 0 und d
100
_a
HAJRA CHOUDHURY S K
245
_a
MATERIALS SCIENCES & PROCESSES
250
_a
1
260
_c
1977
_b
INDIAN BOOK DISTRIBUTING CO. CALCUTTA
999
_c
7478
_d
7478