On the applicability of perturbative QCD to exclusive processes at currently available momentum transfer
1992 ◽
Vol 341
(3)
◽
pp. 339-342
◽
1989 ◽
Vol 217
(4)
◽
pp. 535-538
◽
1983 ◽
Vol 216
(2)
◽
pp. 373-407
◽
2002 ◽