000
00262nam a2200109Ia 4500
008
220201s1971 xx 000 0 eng d
082
_b
GUI
245
0
_a
Guide to writing research papers
260
_a
New York
_b
Mc Graw Hill
_c
1971
300
_a
161
942
_2
ddc
999
_c
18077
_d
18077