Analytical derivative methods, in ab initio

Yamaguchi, Y. Osamura, Y. Goddard, J. D. Schaefer H. F. A New Dimension to Quantum Chemistry. Analytic Derivative Methods in Ab Initio Molecular Electronic Structure Theory. Number 29 in International Series of Monographs on Chemistry. Oxford Univ. Press, New York, 1994. 

Y. Yamaguchi, Y. Osamura, J. D. Goddard and H. E. Schaefer III, A new dimension to quantum chemistry Analytic derivative methods in ab initio molecular electronic structure theory (Oxford University Press, New York, 1994)... 

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