00555nam a22001577a 4500008004100000040005500041080001800096245012800114260004200242300001000284490004800294500000600342650001200348653001400360700002300374230504b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a542.97(05)b   aPhoto electronic image devicesc/ Proceedings of the sixth symposium held at imperial college, London, September 9-13, 1974  aNew York:   bAcademic Press,  c1976  a427p.  aAdvance in electronics and electron physics  a   aScience  aChemistry  aMorgan, B L (Ed.)