000 00208nam a2200073 4500
080 _a
_b
245 _aIS:4905-1968: Methods for Random Sampling.
700 _aBUREAU OF INDIAN STANDARDS
260 _aNEW DELHI
_bBUREAU OF INDIAN STANDARDS
_c1969
300 _a33p
999 _c36615
_d36615