Pramer, David.
Life in the soil / by David Pramer. - Boston : D.C. Heath , c1965 . - ix, 62 p. : ill. ; 27 cm. - Laboratory blacks for high school biology series. .
Soil biology -- Study and teaching.
631.46 / PRL
Life in the soil / by David Pramer. - Boston : D.C. Heath , c1965 . - ix, 62 p. : ill. ; 27 cm. - Laboratory blacks for high school biology series. .
Soil biology -- Study and teaching.
631.46 / PRL