000 00310nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aTahnu Pilla & Sivanad Pilla
245 0 _aProblems On Statistics
260 _b"Progress Publishers, Moscow"
_c1972
300 _a380p
650 _aCommerce
942 _cBK
999 _c4090
_d4090