00269nam a2200109Ia 4500008004100000041001200041100001600053245006300069260000600132650000600138700001500144221030s9999    xx            000 0 und d  aEnglish  aGoyal. J. K 0aLaplace & Fourier Transformerscby Goyal. J. K, Gupta K. P  c0  aB  aGupta K. P