diff --git a/examples/config/phase/mechanical/plastic/dislotungsten_W.yaml b/examples/config/phase/mechanical/plastic/dislotungsten_W.yaml
index 6a0e4dcc2..6efe77644 100644
--- a/examples/config/phase/mechanical/plastic/dislotungsten_W.yaml
+++ b/examples/config/phase/mechanical/plastic/dislotungsten_W.yaml
@@ -3,6 +3,10 @@ references:
   - D. Cereceda et al.,
     International Journal of Plasticity 78:242-265, 2016,
     http://dx.doi.org/10.1016/j.ijplas.2015.09.002
+  - A. Koester et al.,
+    Acta Materialia 60:3894-3901, 2012
+    http://dx.doi.org/10.1016/j.actamat.2012.03.053
+output: [Lambda_sl]
 N_sl: [12]
 b_sl: [2.72e-10]
 rho_mob_0: [1.0e+9]  # estimated from section 3.2
@@ -12,18 +16,19 @@ B: [8.3e-5]
 omega: [9.1e+11]     # nu_0
 p_sl: [0.86]
 q_sl: [1.69]
-tau_Peierls: [2.03e+9] # there is also tau_c^* = 2.92GPa, not clear in the paper
+tau_Peierls: [2.03e+9]
 h: [2.566e-10]
-a_nonSchmid: [0.938, 0.71, 4.43]
 h_sl-sl: [0.009, 0.72, 0.009, 0.05, 0.05, 0.06, 0.09]
 w: [2.992e-09] # 11b
 i_sl: [1]  # c, eq. (25)
 D: 1.0e+20 # d_g, eq. (25)
 D_a: 1.0 # d_edge = D_a*b
 
+# values in Cereceda et al. are high, using parameters from Koester et al.
+a_nonSchmid: [0.61, 0.23, 0.55] # Table 1
+
 D_0: 0.0 # disable climb
 f_at: 1
 Q_cl: 1.0
-output: [Lambda_sl]
 
 v_0: [1]