00380nam a2200145   450000100060000000300030000600500170000900800410002603500190006703500180008605000210010410000220012524500430014726000440019019816UR20220427164658.0061103|||||||||||||||||||||||||||||||| d  a(janium) 19805  a(janium)19804 4aQD271b.J63 19721 aJohnstone, R.A.W.10aMass spectrometry for organic chemists  bCambridge at the University Pressc1972