TY  - BOOK
AU  - Butler, J. D.
AU  - Oebker, N. F.
TI  - Hydroponics as a hobby: : growing plants without soil
T2  - Circular CIASE
PY  - 1962///
CY  - Urbana
PB  - University of Illinois. College of Agriculture
KW  - Hidroponía
KW  - Soluciones nutritivas
N1  - Fotocopia
ER  -