TY - BOOK AU - WHISTON CLIVE & PRICHARD ELIZABETH F TI - X RAY METHODS: ANALYTICAL CHEMISTRY BY OPEN LEARNING SN - 9971511037 U1 - 543.085 86 WHI PY - 1991/// CY - NEWYORK PB - JOHN WILEY & SONS KW - X RAY METHODS-- ANALYTICAL CHEMISTRY BY OPEN LEARNING ER -