000 00336nam a2200121Ia 4500
008 210430s9999 xx 000 0 und d
082 _a620 A2442 A
100 _aM Afzal Khan
_952827
245 _aAdvanced Materials-97
_cM Afzal Khan
260 _aKahuta
_bDr A.Q.Khan Research Laboratories
_c1997
300 _a758p.
942 _cBK
_2ddc
999 _c563063
_d563063