000
00254nam a2200109Ia 4500
100
_a
Williams R E
250
_a
Edn 2
245
_a
Manual : Lotus 1-2-3 .-Edn 2
260
_b
B P B Pub, N'Delhi
082
_a
D6:8(B)/N86/B16621
300
_a
pp 253; 21*14
999
_c
36144
_d
36144