000
00226nam a2200109Ia 4500
082
_a
620.11711 GUP
100
_a
GUPTA, M.S.
245
_a
TEACHING ENGINEERING
260
_b
IEEE PRESS
_c
1987
300
_a
275
942
_2
ddc
_c
B
999
_c
50780
_d
50780