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Roberts, J. A.;Tucker, G. A. 2000. “Plant hormone protocols” : x, 199.
Purich, Daniel L. 1983. “Contemporary enzyme kinetics and mechanism” : xvi, 548.
Purich, Daniel L.;Colowick, Sidney P.;Schramm, Vern L. 1979. “Enzyme kinetics and mechanism” : v..
Quicke, Donald L. J. 1993. “Principles and techniques of contemporary taxonomy” : xii, 311.
R²dseth, Tor 1998. “Models for multispecies management” : 246.
Rai, Hakumat  Rai, Hakumat 1980. “The measurement of photosynthetic pigments in freshwaters and standardization of methods”
Rai, Hakumat;Marker, A. F. H.;Max-Planck-Institut für Limnologie. 1982. “The measurement of photosynthetic pigments in freshwaters and standardization of methods” : 130.
Rai, Hakumat;Max-Planck-Institut für Limnologie. Abt. Tropenökologie. 1980. “The measurement of photosynthetic pigments in freshwaters and standardization of methods” : 106.
Rampal , Jang B  Rampal, Jang B 2001. “DNA Arrays: Methods and Protocols”
Rampal, Jang B. 2001. “DNA arrays : methods and protocols” : cm..
Ramsey, F.L. & Schafer, D.W. 1997. “The Statistical Sleuth. A Course in Methods of Data Analysis”
Ranney, J. Warren 1986. “Edges of forest islands : structure, composition, and importance to regional forest dynamics” : xi, 193 bl..
Ransom, Robert 1981. “Computers and embryos : models in developmental biology” : xii, 212.
Rapley, Ralph 1996. “PCR sequencing protocols” : xi, 221.
Rapley, Ralph;Aquino de Muro, Marilena 2002. “Gene probes : principles and protocols” : xi, 272.
Rapley, Ralph;Manning, David L. 1998. “RNA isolation and characterization protocols” : xiii, 264.
Rapport, David;Friend, Anthony;Statistics Canada. 1979. “Towards a comprehensive framework for environmental statistics : a stress-response approach, 1979 = Projet d'établissement d'un systéme général d'information sur l'environnement au Canada : l'approche agression-réaction, 1979” : 90.
Raunkiµr, Christen 1977. “Life forms of plants and statistical plant geography” : xvi, 632 , [34] leaves of plates.
Raunkiaer, C.;Gilbert-Carter, Humphrey;Fausbøll, Annie;Tansley, A. G. 1934. “The life forms of plants and statistical plant geography” : xvi, 632 incl..