'A' cited 'B'.

'A'
Title: On the concept of imaging nanoscale vector fields
Author(s): Gersen H (Gersen, H.), Novotny L (Novotny, L.), Kuipers L (Kuipers, L.), van Hulst NF (van Hulst, N. F.)
Source: NATURE PHOTONICS 1 (5): 242-242 MAY 2007  
Authors' addresses:
Univ Bristol, Dept Phys, Nanophys & Soft Matter Grp, Bristol BS8 1TL, Avon England
Univ Rochester, Inst Opt, Rochester, NY 14627 USA
FOM, Inst Atom & Mol Phys, Ctr Nanophoton, NL-1098 SJ Amsterdam, Netherlands
ICFO, Barcelona 08860, Spain

'B'
Title: Vector field microscopic imaging of light
Author(s): Lee KG (Lee, K. G.), Kihm HW (Kihm, H. W.), Kihm JE (Kihm, J. E.), Choi WJ (Choi, W. J.), Kim H (Kim, H.), Ropers C (Ropers, C.), Park DJ (Park, D. J.), Yoon YC (Yoon, Y. C.), Choi SB (Choi, S. B.), Woo H (Woo, D. H.), Kim J (Kim, J.), Lee B (Lee, B.), Park QH (Park, Q. H.), Lienau C (Lienau, C.), Kim DS (Kim, D. S.)
Source: NATURE PHOTONICS 1 (1): 53-56 JAN 2007