Errata for various papers by J.F. Babb and L. Spruch

Phys. Rev. 36, 456 (1987)

• Below Eq.(4.28) should read: and
• Above Eq.(4.3) should read: and the second order contribution is
• In numerator of integrand of Eq.(4.24) insert

Phys. Rev. 38, 13 (1988)

• Below Eq.(3.2): insert after

Phys. Rev. 40, 2917 (1989)

• Ref.21: omit the word ``ground''
• Ref.40 should read: the definition of Ref.37

Phys. Rev. 50, 3845 (1994)

• Eq.(A1): factor of needed in second term on LHS

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