Umm Khālid

atomic centre babyship benzaldehyde phenyl-hydrazone Bm cell cash-book circle-point curve cylindrical wheel explicit memory fleshed out I.F.B. invariance principle Izabal L.de local name phaseolus vulgaris l. varhumilis alef. point to point transmission state enable signal steel yoke end water-rib tile Wilcocks yolk index