Pavlov S.T. , Prokaznikov A.V. , Kuznetsov V.S. , Zimin S.T. Physical peculiarities of porous silicon properties as a system with low dimension. 1st Intern. conf. on Physics of Low Dimensional Structures. PLDS-I. Abstracts. Chernogolovka, Dec. 7-10, 1993 , с. C.118