Neutral particle production in strong electromagnetic fields
1994 ◽
Vol 349
(1)
◽
pp. 47-51
◽
1989 ◽
Vol 29
(1)
◽
pp. 71-76
◽
1991 ◽
Vol 24
(8)
◽
pp. L213-L218
◽
1975 ◽
Vol 35
(3)
◽
pp. 142-145
◽