41
by Chernoff, P.R., Marsden, J.E.
Published 1974
Springer Berlin Heidelberg

42
by Hayes, P.R., Forsythe, S.J.
Published 2000
Springer US

43
by Baker, George A., Graves-Morris, P. R.
Published 1996
Cambridge University Press

44
by Bingham, R.C., Schleyer, P.R.v
Published 1971
Springer Berlin Heidelberg

45
by Dumortier, F., Rodrigues, P. R., Roussarie, R.
Published 1981
Springer Berlin Heidelberg

51
by Ehrlich, P.R., Ehrlich, A.H., Holdren, J.P.
Published 1975
Springer Berlin Heidelberg

53
Published 1999
American Academy of Microbiology
...Antimicrobial Resistance: An Ecological Perspective (Colloquium) (1999, San Juan, P.R.)...

54
Published 1999
American Academy of Microbiology
...Antimicrobial Resistance: An Ecological Perspective (Colloquium) (1999, San Juan, P.R.)...

55
Published 1995
Springer US
Other Authors: ...Ashurst, P. R....

56
Published 1982
Springer Berlin Heidelberg
Other Authors: ...Band, P. R....

57
Published 1982
Springer Berlin Heidelberg
Other Authors: ...Turner, P.R....

58
Published 1980
Springer Berlin Heidelberg
Other Authors: ...Wossidlo, P.R....

59
Published 1991
Springer US
Other Authors: ...Ashurst, P. R....

60
Published 1990
Steinkopff
Other Authors: ...Zellner, P.R....