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PFR
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PFR books
Proposed methods and criteria for ATCRBS PFR assignment (Report - Federal Aviation Administration, Systems Research and Development Service)
by C. Randall Crawford
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Size clines and subspecies in the streptaxid genus Gulella Pfr. (Mollusca, Gastropoda Pulmonata) in Southern Africa (Zoologische verhandelingen uitgegeven ... van Natuulijke Historie te Leiden)
by Adolf Cornelis van Bruggen
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Experimental macroalgal mariculture: Project funded by the National Science Foundation, grant number PFR-7911715 : fourth quarterly report : April 1 to June 30, 1980
by M Neushul
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Phytochrome in seeds and an apparent dark reversion of Pr to Pfr (Mededelingen Landbouwhogeschool, Wageningen, Nederland, 68-17 1968)
by J Boisard
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The conversion of agricultural by-products to sugars: Progress report, submitted to the National Science Foundation, Division of Problem Focused Research Applications, grant PFR 77-00198
by Peter J Reilly
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Glass Compositions Suitable for PFR Wastes: Annual Progress Report 1986-87
by K.A. Boult
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Preliminary keys for the identification of the species of the genus Gulella Pfr. occurring in East Africa, excluding the sections Primigulella Pilsbry ... - Muse??e Royal de l'Afrique Centrale)
by B Verdcourt
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