000 00267nam a2200109Ia 4500
008 221102s9999 xx 000 0 und d
100 _aMadan, B. K.
245 0 _aAsian cleaning union ( RIS 11)
260 _bR.I.S.
_aNew Delhi
_c1986
300 _a22 p. 22 p.
942 _cBK
999 _c485
_d485