Spatial-harmonic gratings at high modulation depths in photorefractive quantum wellsWANG, Q. N; NOLTE, D. D; MELLOCH, M. R et al.Optics letters. 1991, Vol 16, Num 24, pp 1944-1946, issn 0146-9592Article

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Two-wave mixing in photorefractive AlGaAs/GaAs quantum wellsWANG, Q. N; NOLTE, D. D; MELLOCH, M. R et al.Applied physics letters. 1991, Vol 59, Num 3, pp 256-258, issn 0003-6951Article

A seroepidemiological survey of HTLV-I infection in Shanghai and Chongqing cities in ChinaPAN, X.-Z; QIU, Z.-D; CHEIN, N et al.AIDS (London). 1991, Vol 5, Num 6, pp 782-783, issn 0269-9370, 2 p.Article