000
00273nam a2200109Ia 45e0
008
181001s1973 xx 000 0 und d
100
_a
Gupta C.P.
245
0
_a
Engineering thermodynamics
260
_b
New Chand
_c
1973
300
_a
946
942
_2
ddc
_c
BK
999
_c
2123
_d
2123