TY - BOOK AU - Babich, V M ., AU - Buldrev, V S. TI - Asympatotic meythods in short- wavelength diffraction theory T2 - Alpha science series on wave phenomena SN - 9781842652329 U1 - 516.362 BAB PY - 2009/// CY - Oxford PB - Alpha Science International N1 - Includes bibliographical referencesand index. ER -