TY  - GEN
AU  - Crawford, R.W.
AU  - Huffman, E.W.
AU  - Olson, A.C.
TI  - Natural history of plants and animals : a lecture and laboratory manual
U1  - 574.028 OLS 
CY  - USA, The national press
KW  - Natural history - plants/ natural history - animals
ER  -